1967-HKRS30-8-58_Part02 — Page 47

1670,

34

(b) Tungsten wire and filament, coated or uncoaled, cut or

uncut.

Tantalum, as follows--

(4) Raw materials;

(6) Ferro-tantalum and ferro-tantalum-niobium;

(c) Metal and tantalum-based alloys containing 60% or more

tantalum niobium in combination;

(d) Scrap forms of the metal and alloys covered under sub-

item (c).

1671.

Titanium, as follows-

(a) Metal and titanium-based alloys containing 10% or more

titanium

(b) Serap forms of the metal and alloys covered under sub-

item (a).

1721.

1673.

Artificial graphite having an apparent relative density of 1.90 or greater.

4744.

1746.

1701.

GROUP I

CHEMICALS. METALLOIDS AND PETROLEUM PRODUCTS.

Primary explosives and priming compositions, as follows- (a) Mercury fulminate, lead azide. lead styphinate, lead thiocyanate botrazene and dlazodinitrophenol; primary explosives or priming compositions (mixtures) containing one or more of these chemicals.

(4) Sodium azide.

4701.

1702.

1715.

Lead dinitroresarcinate and barium styphinates; primary expla- sives or priming compositions (mixtures) containing one or more of these chemicals.

Hydraulic fluids, as follows-

(a) Synthetic, having a viscosity of not more than 4,000 centislokes at 65°F. (-54°C) and not less than 1.5 centistokes at +302 F. (+130°C); or

() Which are or which contain as the principal ingredients petroleum (mineral) oils and which have` all three of the following characteristics—

(i) a pour point of -30°F. (-34°C) or lower;

(i) a viscosity index of 75 or greater; and

(iii) are thermally stable at +700°F (+371°C).

Boron, as follows--

(a) Boron element, boron compounds and mixtures in which the boro-10 isotope comprises more than 20% of the total boron content;

(6) Boron element (metal) all forms;

1754.

35

(c) Boron compounds and mixtures, excluding pharmaceutical

specialities packaged for retail salo, the following-

(0) Boron trichloride and its complexes: boron trifluoride and its complexes:

(1) Fluoroboric acids; ammonium, potassium and sodium Buoroborates:

(iii) Boron carbides, hydrides and nitrides;

(iv) Alloys, compounds and mixtures containing 5% or more of boron, free or combined, including-

(1) Boron minerals, including but not limited to Colemanite, Rasorite and Ulexite, crude or refined;

(2) Boric acids; amummonium. calcium, magnesium, potassium and sodium berates; boric oxides;

(3) Enamel and glass-making compositions or mix- tures containing more than the equivalent of 30% BO,.

Diethylene triamins of a purity of 96% or higher.

Pentaerythritol tetranitrate.

Polymeric substances and manufactures thereof, not elsewhere specified, as follows-

(a) Polyimides;

(6) Polybenzimidazoles;

(<) Polyimidazopyrrolones;

(d) Aromatic polyamides;

(<) Polyparaxylylenes.

Fluore carbon compounds and manufactures, not elsewhere specified, as follows-

(a) Monomers, homopolymers and co-polymers, as follows-m

() Tetrafluoroethylene and polytetrafluoroethylene; (ii) Chlorotrifluoroethylene and polychlorotrifluoroethy- lense:

(l) Polyvinylidenefluoride;

(fv) Co-polymer of tetrafluoroethylene and hexafluoro- propylene;

(*) Co-polymer of tetrafluoroethylene and chlorotrifluo- coethylene;

(vi) Co-polymer of chlorotrifluoroethylene and vinylide- nefluoride;

(vi) Co-polymer of hexafluoropropylene and vinylides nefluoride;

(vii) Polybromotrifluoroethylene;

(x) Co-polymer of bramotrifluoroethylene and chlorotri- fluoroethylene:

[x] Dibromotetrafluoroethane;

(b) Manufactures made wholly of the materials in sub-item (a);

(e) Electric wire and cable coated with or insulated with any

of the materials in sub-item (a).