The Export of Goods (Control) Order 1992

• (a) High power electron beam guns with total power of more than 50 kW and strip or scanning electron beam guns with a delivered power of more than 2·5 kW/cm for use in uranium vaporization systems;

• (b) Trough shaped crucible and cooling equipment for molten uranium;

• (c) Product and tails collector systems made of or lined with materials resistant to the heat and corrosion of uranium vapour, such as yttria—coated graphite;

• (7) Molecular laser isotopic separation process:

• (a) Supersonic expansion nozzles designed for UF₆ carrier gas;

• (b) Uranium fluoride (UF₅) product filter collectors;

• (c) Equipment for fluorinating UF₅ to UF₆;

• (d) UF₆ carrier gas compressors wholly made of or lined with aluminium, aluminium alloys, nickel or alloy containing 60 weight % or more nickel, including compressor seals;

• (8) Plasma separation process:

• (a) Product and tails collectors made of or lined with materials resistant to the heat and corrosion of uranium vapour such as yttria—coated graphite;

• (b) Radio frequency ion excitation coils for frequencies of more than 100 kHz and capable of handling more than 40 kW power.

B20

Specially designed or prepared auxiliary systems, equipment and components, as follows, for gas centrifuge or gaseous diffusion enrichment plants, made from or lined with UF₆ resistant materials:

• (a) Feed autoclaves, for passing UF⁶ to gaseous diffusion or centrifuge cascades, capable of operating at pressures of 300 kPa or less;

• (b) Desublimers or cold traps, used to remove UF⁶ from gaseous diffusion or centrifuge cascades, capable of operating at pressures of 300 kPa or less;

• (c) Product and tails stations for trapping and transferring UF₆ into containers;

• (d) Liquefaction stations, where UF₆ gas from gaseous diffusion or centrifuge cascades is compressed and cooled to form liquid UF₆, capable of operating at pressures of 300 kPa or less;

• (e) Piping systems and header systems specially designed for handling UF₆ within gaseous diffusion or centrifuge cascades;

• (f) Specially designed vacuum manifolds or vacuum headers having a suction capacity of 5 m³/minute or more or specially designed vacuum pumps;

• (g) UF₆ mass spectrometers/ion sources specially designed or prepared for taking on—line samples of feed, product or tails from UF₆ gas streams and having all of the following characteristics:

B30

Plant for the production of uranium hexafluoride (UF₆) and specially designed or prepared equipment and components therefor, as follows:

• (a) Plant for the production of UF₆;

• (b) Equipment and components, as follows, specially designed or prepared for UF₆ production:

B40

Plant for the production of heavy water, deuterium or deuterium compounds, and specially designed or prepared equipment and components therefor, as follows:

• (a) Plant for the production of heavy water, deuterium or deuterium compounds, as follows:

• (b) Equipment and components, as follows, designed for:

B50

Nuclear reactors, i.e., reactors capable of operation so as to maintain a controlled, self—sustaining fission chain reaction, and equipment and components specially designed or prepared for use in connection with a nuclear reactor, including:

• (a) Pressure vessels, i.e., metal vessels as complete units or parts therefor, which are specially designed or prepared to contain the core of a nuclear reactor and are capable of withstanding the operating pressure of the primary coolant, including the top plate for a reactor pressure vessel;

• (b) Fuel element handling equipment, including reactor fuel charging and discharging machines;

• (c) Control rods specially designed or prepared for the control of the reaction rate in a nuclear reactor, including the neutron absorbing part and the support or suspension structures therefor, and control rod guide tubes;

• (d) Electronic controls for controlling the power levels in nuclear reactors, including reactor control rod drive mechanisms and radiation detection and measuring instruments to determine neutron flux levels;

• (e) Pressure tubes specially designed or prepared to contain fuel elements and the primary coolant in a nuclear reactor at an operating pressure in excess of 5·1 MPa;

• (f) Tubes, or assemblies of tubes, made from zirconium metal or alloy in which the ratio of hafnium to zirconium is less than 1:500 parts by weight, specially designed or prepared for use in a nuclear reactor;

• (g) Coolant pumps specially designed or prepared for circulating the primary coolant of nuclear reactors;

• (h) Internal components specially designed or prepared for the operation of a nuclear reactor, including core support structures, thermal shields, baffles, core grid plates and diffuser plates;

• (i) Heat exchangers.

B60

Plant specially designed for the fabrication of nuclear reactor fuel elements and specially designed equipment therefor.

B70

Plant for the reprocessing of irradiated nuclear reactor fuel elements, and specially designed or prepared equipment and components therefore, including:

• (a) Fuel element chopping or shredding machines, i.e., remotely operated equipment to cut, chop, shred or shear irradiated nuclear reactor fuel assemblies, bundles or rods;

• (b) Dissolvers, critically safe tanks (e.g., small diameter, annular or slab tanks) specially designed or prepared for the dissolution of irradiated nuclear reactor fuel, which are capable of withstanding hot, highly corrosive liquids, and which can be remotely loaded and maintained;

• (c) Counter—current solvent extractors and ion—exchange processing equipment, specially designed or prepared for use in a plant for the reprocessing of irradiated natural uranium, depleted uranium, special fissile materials or other fissile materials;

• (d) Process control instrumentation specially designed or prepared for monitoring or controlling the reprocessing of irradiated natural uranium, depleted uranium, special fissile materials or other fissile materials;

• (e) Holding or storage vessels specially designed to be critically safe and resistant to the corrosive effects of nitric acid;

• (f) Systems specially designed or prepared for the conversion of plutonium nitrate to plutonium oxide;

• (g) Systems specially designed or prepared for the production of plutonium metal.

Note: Plant for the reprocessing of irradiated nuclear reactor fuel elements includes equipment and components which normally come into direct contact with and directly control the irradiated fuel and the major nuclear material and fission product processing streams.

B80

Power generating or propulsion equipment specially designed for use with space, marine or mobile nuclear reactors.

B90

Equipment, as follows, specially designed or prepared for the separation of isotopes of lithium:

• (a) Packed liquid—liquid exchange columns specially designed for lithium amalgams;

• (b) Amalgam pumps;

• (c) Amalgam electrolysis cells;

• (d) Evaporators for concentrated lithium hydroxide solution.

B100

Equipment for nuclear reactors, as follows:

• (a) Simulators specially designed for nuclear reactors;

• (b) Ultrasonic or eddy current test equipment specially designed for nuclear reactors.

B110

Software specially designed or modified for the development, production or use of equipment or materials specified in this Group.

E10

The export of goods specified in this entry is only prohibited to any destination in any country listed in Schedule 2.

E20

Technology applicable to the development, production or use of goods specified in this Group other than that specified in entry E10.

GROUP 3 — DUAL—USE INDUSTRIAL GOODS AND TECHNOLOGY NOT SPECIFIED INGROUPS 1 OR 2

Exclusions and definitions

1

This Group does not specify software which is either:

• (a) generally available to the public or

• (b)

• (1) sold from stock at retail selling points, without restriction, by means of:

• (a) over—the—counter transactions;

• (b) mail order transactions;

• (c) telephone order transactions; and

• (2) is designed for installation by the user without further substantial support by the supplier.

2

In this Group:

• “2—D vector rate” means the number of vectors generated per second which have 10 pixel poly line vectors, clip tested, randomly oriented, with either integer or floating point X—Y coordinate values, whichever produces the maximum rate;

• “3—D vector rate” means the number of vectors generated per second which have 10 pixel poly line vectors, clip tested, randomly oriented, with either integer or floating point X—Y—Z coordinate values, whichever produces the maximum rate;

• “accuracy”, usually measured in terms of inaccuracy, means the maximum deviation, positive or negative, of an indicated value from an accepted standard or true value;

• “active flight control systems” are systems whose function is to prevent undesirable aircraft motions, rocket motions or structural loads by autonomously processing outputs from multiple sensors and then providing necessary preventive commands to effect automatic control;

• “active pixel” is a minimum (single) element of the solid state array which has a photoelectric transfer function when exposed to light;

• “adaptive control” means a control system that adjusts the response from conditions detected during the operation;

• “angular position deviation” means the maximum difference between angular position and the actual, very accurately measured angular position, after the workpiece mount of the table has been turned out of its initial position;

• “ASTM” means the American Society for Testing and Materials;

• “asynchronous transfer mode” (ATM) means a transfer mode in which the information is organised into cells; it is asynchronous in the sense that the recurrence of cells depends on the required or instantaneous bit rate;

• “automatic target tracking” means a processing technique that automatically determines and provides as output an extrapolated value of the most probable position of the target in real time;

• “bandwidth of one voice channel”, in the case of data communication equipment, means designed to operate in one voice channel of 3,100 Hz, as defined in CCITT Recommendation G.151;

• “basic gate propagation delay time” means the propagation delay time value corresponding to the basic gate used within a family of monolithic integrated circuits; this may be specified, for a given family, either as the propagation delay time per typical gate or as the typical propagation delay time per gate;

• “beat length” means the distance over which two orthogonally polarised signals, initially in phase, must pass in order to achieve a 2 Pi radian(s) phase difference;

• “bias” means an accelerometer output when no acceleration is applied;

• “camming” (axial displacement) means axial displacement in one revolution of the main spindle measured in a plane perpendicular to the spindle faceplate, at a point next to the circumference of the spindle faceplate;

• “CCITT” means International Telegraph and Telephone Consultative Committee;

• “CEP” (circle of equal probability) is a measure of accuracy defined as the radius of the circle centred at the target, at a specific range, in which 50% of the payloads impact;

• “chemical laser” means a laser in which the excited species is produced by the output energy from a chemical reaction;

• “circuit element” means a single active or passive functional part of an electronic circuit which may be a diode, a transistor, a resistor or a capacitor;

• “circulation—controlled anti—torque or circulation—controlled directional control systems” are systems that use air blown over aerodynamic surfaces to increase or control the forces generated by the surfaces;

• “commingled” means the filament to filament blending of thermoplastic fibres and reinforcement fibres in order to produce a fibre reinforcement/matrix mix in total fibre form;

• “comminution” means a process to reduce a material to particles by crushing or grinding;

• “common channel signalling” is a signalling method in which a single channel between exchanges conveys, by means of labelled messages, signalling information relating to a multiplicity of circuits or calls and other information such as that used for network management;

• “communications channel controller” means the physical interface which controls the flow of synchronous or asynchronous digital information; it is an assembly that can be integrated into computer or telecommunications equipment to provide communications access;

• a “composite” means a matrix and an additional phase or additional phases consisting of particles, whiskers, fibres or any combination thereof, present for a specific purpose or purposes;

• “composite theoretical performance” (CTP) is a measure of computational performance given in millions of theoretical operations per second (Mtops), calculated using the aggregation of computing elements (CE);

• “compound rotary table” means a table allowing the workpiece to rotate and tilt about two non—parallel axes, which can be coordinated simultaneously for contouring control;

• “computing element” (CE) means the smallest computational unit that produces an arithmetic or logic result;

• “contouring control” means two or more numerically controlled motions operating in accordance with instructions that specify the next required position and the required feed rates to that position; these feed rates are varied in relation to each other so that a desired contour is generated;

• the “critical temperature” (sometimes referred to as the transition temperature) of a specific superconductive material means the temperature at which the specific material loses all resistance to the flow of direct electrical current;

• “cryptography” means the discipline which embodies principles, means and methods for the transformation of data in order to hide its information content, prevent its undetected modification or prevent its unauthorized use; cryptography is limited to the transformation of information using one or more secret parameters or associated key management; for this purpose, `secret parameter' is a constant or key kept from the knowledge of others or shared only within a group;

• “datagram” means a self—contained, independent entity of data carrying sufficient information to be routed from the source to the destination data terminal equipment without reliance on earlier exchanges between this source or destination data terminal equipment and the transporting network;

• “data signalling rate” means the maximum one—way rate, ie the maximum rate in either transmission or reception, whichever is the greater, as defined in ITU Recommendation 53—36, taking into account that, for non—binary modulation, baud and bit per second are not equal; binary digits for coding, checking and synchronisation functions are included;

• “deformable mirrors” means mirrors capable of having their optical surface dynamically deformed by individual torques or forces;

• “diffusion bonding” means a solid—state molecular joining of at least two separate metals into a single piece with a joint strength equivalent to that of the weakest material;

• “digital computer” means equipment which can, in the form of one or more discrete variables: accept data; store data or instructions in fixed or alterable (writable) storage devices; process data by means of a stored sequence of instructions which is modifiable (including by replacement of fixed storage devices, but not by a physical change in wiring or interconnections); and provide output of data;

• “digital transfer rate” means the total bit rate of the information that is directly transferred on any type of medium;

• “direct—acting hydraulic pressing” means a deformation process which uses a fluid—filled flexible bladder in direct contact with the workpiece;

• “discrete component” means a separately packaged circuit element with its own external connections;

• “drift rate”, as it relates to gyros, means the time rate of output deviation from the desired output; it consists of random and systematic components and is expressed as an equivalent input angular displacement per unit time with respect to inertial space;

• “dynamic adaptive routing” means automatic rerouting of traffic based on sensing and analysis of current actual network conditions;

• “dynamic signal analysers” means signal analysers which use digital sampling and transformation techniques to form a Fourier spectrum display of the given waveform including amplitude and phase information;

• “electronically steerable phased array antenna” means an antenna which forms a beam by means of phase coupling, where the beam direction is controlled by the complex excitation coefficients of the radiating elements and the direction of that beam can be varied in azimuth or in elevation, or both, by application, both in transmission and reception, of an electrical signal;

• “electronic assemblies” mean a number of electronic components (including circuit elements, discrete components and integrated circuits) connected together to perform a specific function, which are replaceable as an entity and are normally capable of being disassembled;

• “end—effectors” include grippers, active tooling units and any other tooling that is attached to the baseplate on the end of a robot manipulator arm; for this purpose, `active tooling unit' means a device for applying motive power, process energy or sensing to the workpiece;

• “equivalent density” means the mass of an optic per unit optical area projected onto the optical surface;

• “expert systems” means systems providing results by application of rules to data which are stored independently of the programme and capable of any of the following: modifying automatically the source code introduced by the user; providing knowledge linked to a class of problems in quasi—natural language; or acquiring the knowledge required for their development (symbolic training);

• “family” means a group of microprocessor or microcomputer microcircuits which have: the same architecture; the same basic instruction set; and the same basic technology (e.g., only N—channel Metal Oxide Semiconductor (NMOS) or only Complementary Metal Oxide Semiconductor (CMOS));

• “fast select” means a facility applicable to virtual calls which allows a data terminal equipment to expand the possibility of transmitting data in call set—up and clearing packets beyond the basic capabilities of a virtual call; for this purpose, `packet' means a group of binary digits (including call control signals and data) which is switched as a composite whole, the call control signals, data and if present error control information being arranged in a specified format;

• “fault tolerance” means the ability of a computer system, after any malfunction of any of its hardware or software components, to continue to operate without human intervention, at a given level of service that provides: continuity of operation, data integrity and recovery of service within a given time;

• “fibrous or filamentary materials” include: continuous monofilaments; continuous yarns and rovings; tapes, fabrics, random mats and braids; chopped fibres, staple fibres and coherent fibre blankets; whiskers, either monocrystalline or polycrystalline, of any length; aromatic polyamide pulp;

• “film type integrated circuit” means an array of circuit elements and metallic interconnections formed by deposition of a thick or thin film on an insulating substrate;

• “fixed”, as it relates to information security, means that the coding or compression algorithm cannot accept externally supplied parameters (e.g., cryptographic or key variables) and cannot be modified by the user;

• “flexible manufacturing unit” (FMU), (sometimes also referred to as flexible manufacturing system (FMS) or flexible manufacturing cell (FMC)) means a combination of at least: a digital computer including its own main storage and its own related equipment; and two or more of the following: a machine tool specified in head c. of entry 2B001; a dimensional inspection machine or another digitally controlled measuring machine specified in Category 2; a robot specified in Categories 2 or 8; digitally controlled equipment specified in entries 1B003, 2B003 or 9B001; Stored programme controlled equipment specified in head a. of entry 3B001; digitally controlled equipment specified in entry 1B001; digitally controlled electronic equipment specified in head c. of entry 3A002;

• “fluoride fibres” means fibres manufactured from bulk fluoride compounds;

• “frequency agility” means a system in which the transmission frequency of a single communication channel is made to change by discrete steps (sometimes known as frequency hopping);

• “frequency switching time” means the maximum time (i.e.,delay), taken by a signal, when switched from one selected output frequency to another selected output frequency, to reach: a frequency within 100 Hz of the final frequency; or an output level within 1 dB of the final output level;

• “frequency synthesiser” means any kind of frequency source or signal generator, regardless of the actual technique used, providing a multiplicity of simultaneous or alternative output frequencies, from one or more outputs, controlled by, derived from or disciplined by a lesser number of standard (or master) frequencies;

• “gas atomisation” means a process to reduce a molten stream of metal alloy to droplets of500 micrometre diameter or less by a high pressure gas stream;

• “gateway” means the function, realised by any combination of equipment and software, to carry out the conversion of conventions for representing, processing or communicating information used in one system into the corresponding but different conventions used in another system;

• “generic software” means a set of instructions for a stored programme controlled switching system that is the same for all switches using that type of switching system;

Equipment, Assemblies and Components

1A

1A001

Components made from fluorinated compounds, as follows:

• (a) Seals, gaskets, sealants or fuel bladders specially designed for aircraft or aerospace use made from more than 50% of any of the materials specified in heads b. or c. of entry 1C009;

• (b) Piezoelectric polymers and copolymers made from vinylidene fluoride:

• (c) Seals, gaskets, valve seats, bladders or diaphragms made from fluoroelastomers containing at least one vinylether monomer, specially designed for aircraft, aerospace or missile' use. In this entry,missile' means complete rocket systems and unmanned air vehicle systems.

1A002

Composite structures or laminates, as follows[^f00012]:

• (a) Having an organic matrix and made from materials specified in heads c., d. or e. of entry 1C010; or

• (b) Having a metal or carbon matrix and made from:

• (a) A specific modulus exceeding 10·15 × 10⁶ m; and

• (b) A specific tensile strength exceeding 17·7 × 10⁴ m; or

Note: This entry does not specify composite structures or laminates made from epoxy resin impregnated carbon fibrous or filamentary materials for the repair of aircraft structures or laminates, provided the size does not exceed 1m².

1A003

Manufactures of non—fluorinated polymeric substances specified in head a. of entry 1C008, in film, sheet, tape or ribbon form:

• (a) With a thickness exceeding 0·254mm; or

• (b) Coated or laminated with carbon, graphite, metals or magnetic substances.

1A102

Resaturated pyrolized carbon—carbon materials designed for systems specified in entries 9A004 or 9A104.

1A202

Composite structures, other than those specified in entry 1A002, in the form of tubes with an inside diameter of between 75mm and 400mm made with fibrous or filamentary materials specified in heads a. or b. of entry 1C010 or entry 1C210[^f00013].

1A225

Platinized catalysts specially designed or prepared for promoting the hydrogen isotope exchange reaction between hydrogen and water for the recovery of tritium from heavy water or for the production of heavy water.

1A226

Specialized packings for use in separating heavy water from ordinary water and made of phosphor bronze mesh or copper (both chemically treated to improve wettability) and designed for use in vacuum distillation towers.

1A227

High—density (lead glass or other) radiation shielding windows greater than 0·3m on a side and with a density greater than 3g/cm³ and a thickness of 100mm or greater and specially designed frames therefor.

Test, Inspection and Production Equipment

1B

1B001

Equipment for the production of fibres, prepregs, preforms or composites specified in entries 1A002 or 1C010, as follows, and specially designed components and accessories therefor[^f00014]:

• (a) Filament winding machines of which the motions for positioning, wrapping and winding fibres are coordinated and programmed in three or more axes, specially designed for the manufacture of composite structures or laminates from fibrous or filamentary materials;

• (b) Tape—laying or tow—placement machines of which the motions for positioning and laying tape, tows or sheets are coordinated and programmed in two or more axes, specially designed for the manufacture of composite airframe or `missile' structures;

In this entry, `missile' means complete rocket systems and unmanned air vehicle systems.

• (c) Multidirectional, multidimensional weaving machines or interlacing machines, including adapters and modification kits, for weaving, interlacing or braiding fibres to manufacture composite structures;

except:

Textile machinery not modified for the above end—uses;

• (d) Equipment specially designed or adapted for the production of reinforcement fibres, as follows:

• (e) Equipment for producing prepegs specified in head e. of entry 1C010 by the hot melt method;

• (f) Non—destructive inspection equipment capable of inspecting defects three dimensionally, using ultrasonic or X—ray tomography and specially designed for composite materials.

1B002

Systems and components therefor specially designed for producing metal alloys, metal alloy powder or alloyed materials specified in sub—head a.2. of entry 1C002, head b. of entry 1C002 or head c. of entry 1C002.

1B003

Tools, dies, moulds or fixtures, for superplastic forming or diffusion bonding titanium or aluminium or their alloys, specially designed for the manufacture of:

• (a) Airframe or aerospace structures;

• (b) Aircraft or aerospace engines; or

• (c) Specially designed components for those structures or engines.

1B101

Equipment, other than that specified in entry 1B001, for the production of structural composites as follows; and specially designed components and accessories therefor[^f00015]:

Note: Equipment covered by this sub—head includes rollers, tension stretchers, coating equipment, cutting equipment and clicker dies.

1B115

Equipment for the production, handling and acceptance testing of goods specified in entry 1C115, and specially designed components therefor.

1B116

Specially designed nozzles for producing pyrolitically derived materials formed on a mould, mandrel or other substrate from precursor gases which decompose in the 1573K (1300°C) to 3173K (2900°C) temperature range at pressures of 130Pa to 20kPa.

1B201

Filament winding machines, other than those specified in entries 1B001 or 1B101, in which the motions for positioning, wrapping, and winding fibres are coordinated and programmed in two or more axes, specially designed to fabricate composite structures or laminates from fibrous or filamentary materials and capable of winding cylindrical rotors of diameter between 75mm and 400mm and lengths of 600mm or greater andcoordinating and programming controls and precision mandrels therefor.

1B225

Electrolytic cells for fluorine production with a production capacity greater than 250g of fluorine per hour.

1B226

Electromagnetic isotope separators, designed for or equipped with, single or multiple ion sources capable of providing a total ion beam current of 50mA or greater.

1B227

Ammonia synthesis converters, ammonia synthesis units in which the synthesis gas (nitrogen and hydrogen) is withdrawn from an ammonia/hydrogen high—pressure exchange column and the synthesized ammonia is returned to said column.

1B228

Hydrogen—cryogenic distillation columns having all of the following characteristics:

• (a) Designed to operate with internal temperatures of 35 K (−238°C) or less;

• (b) Designated to operate at an internal pressure of 0·5 to 5 MPa (5 to 50 atmospheres);

• (c) Constructed of fine—grain stainless steels of the 300 series with low sulphur content or equivalent cryogenic and H₂—compatible materials; and

• (d) With internal diameters of 1 m or greater and effective lengths of 5 m or greater.

1B229

Water—hydrogen sulphide exchange tray columns constructed from fine carbon steel with a diameter of 1·8m or greater to operate at a nominal pressure of 2 MPa or greater.

1B230

Pumps circulating solutions of diluted or concentrated potassium amide catalyst in liquid ammonia (KNH₂/NH₃), with all of the following characteristics:

• (a) Airtight (i.e., hermetically sealed);

• (b) For concentrated potassium amide solutions (1% or greater), operating pressure of 1·5–60 MPa (15–600 atmospheres); for dilute potassium amide solutions (less than 1%), operating pressure of 20–60 MPa (200–600 atmospheres); and

• (c) A capacity greater than 8·5 m³/hr.

1B231

Facilities or plants for the production, recovery, extraction, concentration, or handling of tritium, and equipment as follows:

• (a) Hydrogen or helium refrigeration units capable of cooling to 23 K (−250°C) or less, with heat removal capacity greater than 150 watts; or

• (b) Hydrogen isotope storage and purification systems using metal hydrides as the storage, or purification medium.

Materials

1C

1C001

Materials specially designed for use as absorbers of electromagnetic waves, or intrinsically conductive polymers, as follows[^f00016]:

• (a) Materials for absorbing frequencies exceeding 2×10⁸ Hz but less than 3×10¹² Hz;

except:

Materials as follows:

Technical Note: Bulk electrical conductivity and sheet (surface) resistivity should be determined using ASTM D—257.

1C002

Metal alloys, metal alloy powder or alloyed materials, as follows[^f00017]:

1

The metal alloys specified in head a. of this entry are those containing a higher percentage by weight of the stated metal than of any other element.

2

Stress—rupture life should be measured in accordance with ASTM standardE—139.

3

Low cycle fatigue life should be measured in accordance with ASTM Standard E—606 `Recommended Practice for Constant—Amplitude Low—Cycle Fatigue Testing'. Testing should be axial with an average stress ratio equal to 1 and a stress—concentration factor (Kt) equal to 1. The average stress is defined as maximum stress minus minimum stress divided by maximum stress.

• (b) Metal alloy powder or particulate material for materials specified in head a. of this entry, as follows:

• (1) Made from any of the following composition systems:

Technical Note: X in the following equals one or more alloying elements.

• (a) Nickel alloys (Ni—Al—X, Ni—X—Al) qualified for turbine engine parts or components, i.e., with less than 3 non—metallic particles (introduced during the manufacturing process) larger than 100 micrometre in 10⁹ alloy particles;

• (b) Niobium alloys (Nb—Al—X or Nb—X—Al, Nb—Si—X or Nb—X—Si, Nb—Ti—X or Nb—X—Ti);

• (c) Titanium alloys (Ti—Al—X or Ti—X—Al);

• (d) Aluminium alloys (Al—Mg—X or Al—X—Mg, Al—Zn—X or Al—X—Zn, Al—Fe—X or Al—X—Fe); or

• (e) Magnesium alloys (Mg—Al—X or Mg—X—Al); and

• (2) Made in a controlled environment by any of the following processes:

• (a) Vacuum atomisation;

• (b) Gas atomisation;

• (c) Rotary atomisation;

• (d) Splat quenching;

• (e) Melt spinning and comminution;

• (e) Melt extraction and comminution; or

• (g) Mechanical alloying;

• (c) Alloyed materials, in the form of uncomminuted flakes, ribbons or thin rods produced in a controlled environment by splat quenching, melt spinning or melt extraction, used in the manufacture of metal alloy powder or particulate material specified in head b. of this entry.

1C003

Magnetic metals, of all types and of whatever form, having any of the following characteristics:

• (a) Initial relative permeability of 120,000 or more and a thickness of 0·05 mm or less;

1C004

Uranium titanium alloys or tungsten alloys with a matrix based on iron, nickel or copper, with:

• (a) A density exceeding 17·5 g/cm³;

• (b) An elastic limit exceeding 1,250 MPa;

• (c) An ultimate tensile strength exceeding 1,270 MPa; and

• (d) An elongation exceeding 8%.

1C005

Superconductive composite conductors in lengths exceeding 100m or with a mass exceeding 100g, as follows:

• (a) Multifilamentary superconductive composite conductors containing one or more niobium—titanium filaments:

• (b) Superconductive composite conductors consisting of one or more superconductive filaments other than niobium—titanium:

1C006

Fluids and lubricating materials, as follows:

• (a) Hydraulic fluids containing, as their principal ingredients, any of the following compounds or materials:

For the purpose of this entry:

• (a) Flash point is determined using the Cleveland Open Cup Method described in ASTM D—92;

• (b) Pour point is determined using the method described in ASTM D—97;

• (c) Viscosity index is determined using the method described in ASTMD—2270;

• (d) Thermal stability is determined by the following test procedure:

Twenty ml of the fluid under test is placed in a 46ml type 317 stainless steel chamber containing one each of 12·5mm (nominal) diameter balls ofM—10 tool steel, 52100 steel and naval bronze (60% Cu, 39% Zn, 0·75% Sn). The chamber is purged with nitrogen, sealed at atmospheric pressureand the temperature raised to and maintained at 644±6K (371±6°C) forsix hours. The specimen will be considered thermally stable if, on completion of the above procedure, all of the following conditions are met:

• (e) Autogenous ignition temperature is determined using the method described in ASTM E—659.

1C007

Ceramic base materials, non—composite ceramic materials, ceramic—matrix composite materials and precursor materials, as follows[^f00018]:

• (a) Base materials of single or complex borides of titanium having total metallic impurities, excluding intentional additions, of less than 5,000ppm, an average particle size equal to or less than 5 micrometre and no more than 10% of the particles larger than 10 micrometre;

• (b) Non—composite ceramic materials in crude or semi—fabricated form, except abrasives, composed of borides of titanium with a density of 98% or more of the theoretical density;

• (c) Ceramic—ceramic composite materials with a glass or oxide—matrix and reinforced with fibres from any of the following systems:

• (d) Ceramic—ceramic composite materials, with or without a continuous metallic phase, containing finely dispersed particles or phases of any fibrous or whisker—like material, where carbides or nitrides of silicon, zirconium or boron form the matrix;

• (e) Precursor materials (i.e., special purpose polymeric or metallo—organic materials) for producing any phase or phases of the materials specified in head c. of this entry, as follows:

1C008

Non—fluorinated polymeric substances, as follows:

• (a)

1C009

Unprocessed fluorinated compounds, as follows:

• (a) Copolymers of vinylidene fluoride having 75% or more beta crystalline structure without stretching;

• (b) Fluorinated polyimides containing 30% or more of combined fluorine;

• (c) Fluorinated phosphazene elastomers containing 30% or more of combined fluorine.

1C010

Fibrous or filamentary materials which may be used in organic matrix, metallic matrix or carbon matrix composite structures or laminates, as follows[^f00019]:

• (a) Organic fibrous or filamentary materials (except polyethylene) with:

• (b) Carbon fibrous or filamentary materials with:

1C101

Materials and devices for reduced observables such as radar reflectivity, ultraviolet/infrared signatures and acoustic signatures (i.e., stealth technology), other than those specified in entry 1C001, usable in missiles and their subsystems.

1

This entry includes:

• (a) Structural materials and coatings specially designed for reduced radar reflectivity;

• (b) Coatings, including paints, specially designed for reduced or tailored reflectivity or emissivity in the microwave, infrared or ultraviolet regions of the electromagnetic spectrum.

2

This entry does not include coatings when specially used for the thermal control of satellites.

1C107

Graphite and ceramic materials, as follows:

• (a) Fine grain recrystallised bulk graphites, having a bulk density of 1·72g/cm³ or greater, measured at 288K (15°C), pyrolytic or fibrous reinforced graphites, usable for rocket nozzles and reentry vehicle nose tips;

• (b) Ceramic composite materials (dielectric constant less than 6 at frequencies from 100Hz to 10,000MHz), usable for radomes, and bulk machinable silicon—carbide reinforced unfired ceramic, usable for nose tips.

1C115

Propellants and constituent chemicals for propellants, as follows:

• (a) Propulsive substances:

• (b) Polymeric substances:

• (c) Other propellant additives and agents:

1C116

Maraging steels (steels generally characterised by high nickel, very low carbon content and the use of substitutional elements to produce age—hardening) having an ultimate tensile strength of 1,500MPa or greater, measured at 293K (20°C), in the form of sheet, plate or tubing with a wall or plate thickness equal to or less than 5mm[^f00020].

1C117

Tungsten, molybdenum and alloys of these metals in the form of uniform spherical or atomized particles of 500 micrometre diameter or less with a purity of 97% or greater for fabrication of rocket motor components i.e., heat shields, nozzle substrates, nozzle throats and thrust vector control surfaces.

1C202

Alloys, other than those specified in sub—head a.2.c. or head d. of entry 1C002, asfollows:

• (a) Aluminium alloys capable of an ultimate tensile strength of 460MPa or more at 293K (20°C), in the form of tubes or solid forms (including forgings) with an outside diameter of more than 75mm;

• (b) Titanium alloys capable of an ultimate tensile strength of 900MPa or more at 293K (20°C) in the form of tubes or solid forms (including forgings) with an outside diameter of more than 75mm.

1C210

Fibrous or filamentary materials, other than those specified in heads a. or b. of entry 1C010, as follows:

• (a) Carbon or aramid fibrous or filamentary materials having a specific modulus of 12·7×10⁶ m or greater or a specific tensile strength of 23·5×10⁴ m or greater; or

• (b) Glass fibrous or filamentary materials having a specific modulus of 3·18×10⁶ m or greater and a specific tensile strength of 7·62×10⁴ m or greater.

1C216

Maraging steel, other than that specified in entry 1C116, capable of an ultimate tensile strength of 2,050MPa or more, at 293K (20°C);

1C225

Boron and boron compounds, mixtures and loaded materials in which the boron—10 isotope is more than 20% by weight of the total boron content.

1C226

Tungsten, as follows: parts made of tungsten, tungsten carbide, or tungsten alloys (greater than 90% tungsten) having a mass greater than 20kg and a hollow cylindrical symmetry (including cylinder segments) with an inside diameter greater than 100mm but less than 300mm;

1C227

Calcium (high purity) containing both less than 1,000 parts per million by weight of metallic impurities other than magnesium and less than 10 parts per million of boron.

1C228

Magnesium (high purity) containing both less than 200 parts per million by weight of metallic impurities other than calcium and less than 10 parts per million of boron.

1C229

High purity (99·99% or greater) bismuth with very low silver content (less than 10 parts per million).

1C230

Beryllium metal, alloys containing more than 50% of beryllium by weight, compounds containing beryllium, and manufactures thereof;

1C231

Hafnium metal, alloys and compounds of hafnium containing more than 60% hafnium by weight and manufactures thereof.

1C232

Helium in any form isotopically enriched in the helium—3 isotope, whether or not mixed with any other materials or contained in any equipment or device;

1C233

Lithium, as follows:

• (a) Metal, hydrides or alloys containing lithium enriched in the 6 isotope (⁶Li) to a concentration higher than the one existing in nature (7·5 weight %);

• (b) Any other materials containing lithium enriched in the 6 isotope (including compounds, mixtures and concentrates);

except:

⁶Li incorporated in thermoluminescent dosimeters.

1C234

Zirconium as follows: metal, alloys containing more than 50% zirconium by weight, and compounds in which the ratio of hafnium content to zirconium content is less than 1 part to 500 parts by weight, and manufactures wholly thereof;

1C235

Tritium, tritium compounds, and mixtures containing tritium in which the ratio of tritium to hydrogen by atoms exceeds 1 part in 1,000;

1C236

Alpha—emitting radionuclides having an alpha half—life of 10 days or greater but less than 200 years, including equipment, compounds and mixtures containing these radionuclides with a total alpha activity of 1 curie per kilogram (37GBq/kg) or greater;

1C237

Radium—226;

1C238

Chlorine trifluoride (C1F₃).

1C239

High explosives[^f00021], other than those specified in ML8 of Group 1 or Part III of this Schedule, or substances or mixtures containing more than 2% thereof, with a crystal density greater than 1·8gm per cm³ and having a detonation velocity greater than 8,000m/s.

1C350

Chemicals, which may be used as precursors for toxic chemical agents, as follows, and preparations thereof[^f00022]:

• (a)

except:

• Preparations, including any of the above chemicals, which: Are put up for retail sale and intended for individual personal use or consumption; or Contain the chemical in such a way that it cannot be easily recovered by standard processes.

1C351

Human pathogens, zoonoses and toxins[^f00022]:

• (a) Viruses, whether natural, enhanced or modified, either in the form of isolated live cultures or as material including living material which has been deliberately inoculated or contaminated with such cultures, as follows:

• (b) Rickettsiae, whether natural, enhanced or modified, either in the form of isolated live cultures or as material including living material which has been deliberately inoculated or contaminated with such cultures, as follows:

• (c) Bacteria, whether natural, enhanced or modified, either in the form of isolated live cultures or as material including living material which has been deliberately inoculated or contaminated with such cultures, as follows:

• (d) Toxins, as follows:

1C352

Animal Pathogens, as follows[^f00023]:

• (a) Viruses, whether natural, enhanced or modified, either in the form of isolated live cultures or as material including living material which has been deliberately inoculated or contaminated with such cultures, as follows:

• (a) Uncharacterised; or

• (b) Those defined in EC Directive 92/40/EC[^f00024], as having high pathogenicity, as follows:

• (b) Bacteria, whether natural, enhanced or modified, either in the form of isolated live cultures or as material including living material which has been deliberately inoculated or contaminated with such cultures, as follows:

1C353

Genetically—modified microorganisms, as follows[^f00025]:

• (a) Genetically modified microorganisms or genetic elements that contain nucleic acid sequences associated with pathogenicity and are derived from organisms specified in heads a. to c. of entry 1C351 or heads a. or b. of entry 1C352;

• (b) Genetically modified microorganisms or genetic elements that contain nucleic acid sequences coding for any of the toxins specified in head d. of entry 1C351.

1C990

Fluorine.

1C991

Other explosives and propellants and related substances as follows[^f00026]:

• (a) Amatol;

• (b) Hydrogen peroxide in concentrations of 85% or more;

• (c) Nitrocellulose (containing more than 12·5% nitrogen);

• (d) Nitroglycol;

• (e) Pentaerythritol tetranitrate (PETN);

• (e) Picryl chloride;

• (g) Trinitrophenylmethylnitramine (tetryl);

• (h) 2,4,6—Trinitrotoluene (TNT).

Software

1D

1D001

Software specially designed or modified for the development, production or use of goods specified in entries 1B001 to 1B003.

1D002

Software for the development of organic matrix, metal matrix or carbon matrix laminates or composites.

1D101

Software specially designed for the use of goods specified in entry 1B101.

1D103

Software specially designed for analysis of reduced observables such as radar reflectivity, ultraviolet/infrared signatures and acoustic signatures.

1D201

Software specially designed for the use of goods specified in entry 1B201.

Technology

1E

1E001

Technology required for the development or production of goods specified in heads b. or c.of entry 1A001, or entries 1A002, 1A003, or sub—categories 1B or 1C.

1E002

The export of goods specified in this entry is only prohibited to any destination in any country listed in Schedule 2.

1E101

Technology required for the use of goods specified in entries 1A102, 1B001, 1B101, 1B115, 1B116, 1C001, 1C101, 1C107, 1C115 to 1C117, 1D101 or 1D103.

1E102

Technology required for the development of software specified in entries 1D001, 1D101 or 1D103.

1E103

Technology for the regulation of temperature, pressure or atmosphere in autoclaves or hydroclaves, when used for the production of composites or partially processed composites.

1E104

Technology relating to the production of pyrolitically derived materials formed on a mould, mandrel or other substrate from precursor gases which decompose in the 1,573 K (1,300°C) to 3,173 K (2,900°C) temperature range at pressures of 130 Pa to 20kPa.

1E201

Technology required for the use of goods specified in entries 1A002, 1A202, 1A225 to 1A227, 1B201, 1B225 to 1B231, sub—heads a.2.c. and a.2.d. of entry 1C002, head b. of entry 1C010, or entries 1C202, 1C210, 1C216, 1C225 to 1C239 or 1D201.

1E202

Technology required for the development or production of goods specified in entries 1A202, 1A225 to 1A227.

1E203

Technology required for the development of software specified in entry 1D201.

Equipment, Assemblies and Components

2A

Technical Notes to 2A001 to 2A006:

1

DN is the product of the bearing bore diameter in mm and the bearing rotational velocity in rpm.

2

Operating temperatures include those temperatures obtained when a gas turbine engine has stopped after operation.

2A001

Ball bearings or solid roller bearings (except tapered roller bearings) having tolerances specified by the manufacturer in accordance with ISO Standard Class 4 (Annular Bearing Engineers Committee (ABEC) 7, ABEC 7P, ABEC 7T) or better, and having any of the following characteristics:

• (a) Rings, balls or rollers made from monel or beryllium;

• (b) Manufactured for use at operating temperatures above 573 K (300°C) either by using special materials or by special heat treatment; or

• (c) With lubricating elements or component modifications that, according to the manufacturer’s specifications, are specially designed to enable the bearings to operate at speeds exceeding 2·3 million DN.

2A002

Other ball bearings or solid roller bearings (except tapered roller bearings) having tolerances specified by the manufacturer in accordance with ISO Standard Class 2 (Annular Bearing Engineers Committee (ABEC) 9, ABEC 9P or better).

2A003

Solid tapered roller bearings, having tolerances specified by the manufacturer in accordance with American National Standards Institute (ANSI)/Anti—Friction Bearing Manufacturers Association (AFBMA) Class 00 (inch) or Class A (metric) or better and having either of the following characteristics:

• (a) With lubricating elements or component modifications that, according to the manufacturer’s specifications, are specially designed to enable the bearings to operate at speeds exceeding 2·3 million DN; or

• (b) Manufactured for use at operating temperatures below 219 K (−54°C) or above 423 K (150°C).

2A004

Gas—lubricated foil bearings manufactured for use at operating temperatures of561 K (288°C) or higher and with a unit load capacity exceeding 1 MPa.

2A005

Active magnetic bearing systems.

2A006

Fabric—lined self—aligning or fabric—lined journal sliding bearings manufactured for use at operating temperatures below 219 K (−54°C) or above 423 K (150°C).

2A007

Components, for goods specified in entries 2A001 to 2A006;

except:

Balls with tolerances specified by the manufacturer in accordance with ISO 3290 as grade 5 or worse.

2A225

Crucibles made of materials resistant to liquid actinide metals, as follows:

• (a) Crucibles with a volume of between 150 ml and 8 litres and made of or coated with any of the following materials having a purity of 98% or greater:

• (b) Crucibles with a volume of between 50 ml and 2 litres and made of or lined with tantalum, having a purity of 99·9% or greater;

• (c) Crucibles with a volume of between 50 ml and 2 litres and made of or lined with tantalum (having a purity of 98% or greater) coated with tantalum carbide, nitride or boride (or any combination of these).

2A226

Valves 5 mm or greater in diameter, with a bellows seal, wholly made of or lined with aluminium, aluminium alloy, nickel or alloy containing 60% or more nickel, either manually or automatically operated.

Test, Inspection and Production Equipment

2B

Note: Entries 2B001 to 2B009 do not specify measuring interferometer systems, without closed or open loop feedback, containing a laser to measure slide movement errors of machine—tools, dimensional inspection machines or similar equipment.

2B001

Numerical control units, motion control boards specially designed for numerical control applications on machine tools, machine tools, and specially designed components therefor, as follows:

1

Secondary parallel contouring axes, e.g., the w—axis on horizontal boring mills or a secondary rotary axis the centre line of which is parallel to the primary rotary axis, are not counted in the total number of contouring axes.

2

Axis nomenclature shall be in accordance with International Standard ISO 841, “Numerical Control Machines—Axis and Motion Nomenclature”.

• (a) Numerical control units for machine tools, as follows, and specially designed components therefor:

1

Sub—head c.1. of this entry does not specify cylindrical external, internal and external—internal grinding machines having all of the following characteristics:

• (a) Not centreless (shoe—type) grinding machines;

• (b) Limited to cylindrical grinding;

• (c) A maximum workpiece capacity of 150mm outside diameter or length;

• (d) Only two axes which can be coordinated simultaneously for contouring control; and

• (e) No contouring c axis.

2

Sub—head c.1. of this entry does not specify machines designed specifically as jig grinders having both of the following characteristics:

• (a) Axes limited to x, y, c and a, where the c axis is used to maintain the grinding wheel normal to the work surface and the a axis is configured to grind barrel cams; and

• (b) A spindle run out not less (not better) than 0·0006mm.

3

Sub—head c.1. of this entry does not specify tool or cutter grinding machines having all of the following characteristics:

• (a) Shipped as a complete system with software specially designed for the production of tools or cutters;

• (b) No more than two rotary axes which can be coordinated simultaneously for contouring control;

• (c) Run out (out—of—true running) in one revolution of the spindle not less (not better) than 0·0006mm TIR; and

• (d) The positioning accuracies, with all compensations available, are not less (not better) than:

• (1) 0·004mm along any linear axis for overall positioning; or

• (2) 0·001° on any rotary axis.

• (2) Electrical discharge machines (EDM) of the wire feed type which have five or more axes which can be coordinated simultaneously for contouring control;

• (3) Electrical discharge machines (EDM) of the non—wire type which have two or more rotary axes which can be coordinated simultaneously for contouring control;

• (4) Machine tools for removing metals, ceramics or composites:

• (a) By means of:

• (1) Water or other liquid jets, including those employing abrasive additives;

• (2) Electron beam; or

• (3) Laser beam; and

• (b) Having two or more rotary axes which:

• (1) Can be coordinated simultaneously for contouring control; and

• (2) Have a positioning accuracy of less (better) than 0·003°.

Technical Note: Machines capable of being simultaneously coordinated for contouring control, in two or more rotary axes or one or more tilting spindles, are specified in this entry regardless of the number of simultaneously coordinated contouring axes that can be controlled by the numerical control unit attached to the machine.

2B002

Non—numerically controlled machine tools for generating optical quality surfaces, as follows:

• (a) Turning machines using a single point cutting tool and having all of the following characteristics:

2B003

Numerically controlled or manual machine tools specially designed for cutting, finishing, grinding or honing either of the following classes of bevel or parallel axis hardened (Rc=40 or more) gears, and specially designed components, controls and accessories therefor:

• (a) Hardened bevel gears finished to a quality of better than ISO 1328 class 4; or

• (b) Hardened spur, helical and double—helical gears with a pitch diameter exceeding 1,250mm and a face width of 15% of pitch diameter or larger finished to a quality of ISO 1328 class 3 or better.

2B004

Hot isostatic presses, as follows, and specially designed dies, moulds, components, accessories and controls therefor[^f00027]:

• (a) Having a controlled thermal environment within the closed cavity and possessing a chamber cavity with an inside diameter of 406mm or more; and

• (b) Having:

Technical Note: The inside chamber dimension is that of the chamber in which both the working temperature and the working pressure are achieved and does not include fixtures. That dimension will be the smaller of either the inside diameter of the pressure chamber or the inside diameter of the insulated furnace chamber, depending on which of the two chambers is located inside the other.

2B005

Equipment specially designed for the deposition, processing and in—process control of inorganic overlays, coatings and surface modifications, as follows, for non—electronic substrates, by processes shown in the Table and associated Notes following head d. of entry 2E003, and specially designed automated handling, positioning, manipulation and control components therefor:

• (a) Stored programme controlled chemical vapour deposition (CVD) production equipment with both of the following:

• (b) Stored programme controlled ion implantation production equipment having beam currents of 5mA or more;

• (c) Stored programme controlled electron beam physical vapour deposition (EB—PVD) production equipment incorporating:

• (d) Stored programme controlled plasma spraying production equipment having either of the following characteristics:

• (e) Stored programme controlled sputter deposition production equipment capable of current densities of 0·1mA/mm² or higher at a deposition rate of 15 micrometre/hr or more;

• (f) Stored programme controlled cathodic arc deposition production equipment incorporating a grid of electromagnets for steering control of the arc spot on the cathode;

• (g) Stored programme controlled ion plating production equipment allowing for the in situ measurement of either:

Note: Head g. of this entry does not specify standard ion plating coating equipment for cutting or machining tools.

2B006

Dimensional inspection or measuring systems or equipment, as follows:

• (a) Computer controlled, numerically controlled or stored programme controlled dimensional inspection machines, having both of the following characteristics:

• (b) Linear and angular displacement measuring instruments, as follows:

• (c) Systems for simultaneous linear—angular inspection of hemishells, having both of the following characteristics:

• (1) Measurement uncertainty along any linear axis equal to or less (better) than3·5 micrometre per 5mm; and

• (2) Angular position deviation equal to or less (better) than 0·02°;

• (d) Equipment for measuring surface irregularities, by measuring optical scatter as a function of angle, with a sensitivity of 0·5nm or less (better).

Technical Notes:

• (1) The probe used in determining the measurement uncertainty of a dimensional inspection system shall be as described in Verein Deutscher Ingenieure (VDI)/Verband Deutscher Elektrotechniker (VDE) 2617 Parts 2, 3 and 4.

• (2) All measurement values in this entry represent permissible positive and negative deviations from the target value, i.e., not total band.

• Notes: Machine tools which can be used as measuring machines are specified if they meet or exceed the criteria specified for the machine tool function or the measuring machine function. A machine described in this entry is specified if it exceeds the threshold anywhere within its operating range. In this entry measurement uncertainty means the characteristic parameter which specifies in what range around the output value the correct value of the measurable variable lies with a confidence level of 95%. It includes the uncorrected systematic deviations, the uncorrected backlash and the random deviations (Reference: VDI/VDE 2617).

2B007

Robots, as follows, and specially designed controllers and end—effectors therefor[^f00028]:

• (a) Capable in real time of full three—dimensional image processing or full three—dimensional scene analysis to generate or modify programmes or to generate or modify numerical programme data;

Note: The scene analysis limitation does not include approximation of the third dimension by viewing at a given angle, or limited grey scale interpretation for the perception of depth or texture for the approved tasks (21/2D).

• (b) Specially designed to comply with national safety standards applicable to explosive munitions environments; or

• (c) Specially designed or rated as radiation—hardened beyond that necessary to withstand normal industrial (i.e.,non—nuclear industry) ionizing radiation.

2B008