1988 Ed.]
Import and Export (Strategic Commodities) Regulations
[CAP. 60
G 37
[Subsidiary]
I.
Coating process
(1)
B. "Electron-Beam Physical Vapour Deposition" (EB-PVD)
C. "Electrophoretic Deposition"
2. Substrate
Carbon-carbon, Carbon-ceramic, or Metal matrix composites
Copper or Copper alloys
Silicon carbide or Cemented tungsten carbide
Superalloys
Ceramics
Aluminium/alloys(6)
Corrosion resistant steel(7)
Carbon-carbon, carbon-ceramic, or Metal matrix composites
Copper or copper alloys
Silicon carbide or Cemented tungsten carbide
Superalloys
3. Resultant coating
Silicides, Carbides, Mixtures thereof(4) or Dielectric layers
Tungsten or Dielectric layers
Carbides, Tungsten, Mixtures thereof(4) or Dielectric layers
Alloyed silicides, Alloyed aluminides(2), MCrAIX (except CoCrAIY which contains less than 22 weight per cent of chromium and less than 12 weight per cent of aluminium and less than 2 weight per cent of yttrium)(5), Modified zirconia (except calcia-stabilized zirconia) or Mixtures thereof (including mixtures of the above with silicides or aluminides)(4)
Silicides or Modified zirconia (except calcia-stabilized zirconia)
MCrAIX (except CoCrAIY which contains less than 22 weight per cent of chromium and less than 12 weight per cent of aluminium and less than 2 weight per cent of yttrium)(5), Modified zirconia (except calcia-stabilized zirconia) or Mixtures thereof(*)
MCrAIX (except CoCrAIY which contains less than 22 weight per cent of chromium and less than 12 weight per cent of aluminium and less than 2 weight per cent of yttrium)(5) or Modified zirconia (except calcia-stabilized zirconia) or Mixtures thereof(4)
Silicides, Carbides, Mixtures thereof(4) or Dielectric layers
Tungsten or Dielectric layers
Carbides, Tungsten, Mixtures thereof(4) or Dielectric layers
Alloyed aluminides(2) or Noble metal modified aluminides(3)
D. *Pack cementation (see also A above)(9)
Superalloys
Carbon-carbon, Carbon-ceramic or Metal matrix composites
Aluminium alloys(6)
Alloyed aluminides(2) or Noble metal modified aluminides(3)
Silicides, Carbides or Mixtures thereof(4)
Aluminides or Alloyed aluminides(2)