1. -
Except where their context or Note 4 to this Chapter otherwise requires,
the headings of this Chapter cover only products which are in the crude
state or which have been washed (even with chemical substances
eliminating the impurities without changing the structure of the
product), crushed, ground, powdered, levigated, sifted, screened,
concentrated by flotation, magnetic separation or other mechanical or
physical processes (except crystallisation), but not products which have
been roasted, calcined, obtained by mixing or subjected to processing
beyond that mentioned in each heading.
The products of this Chapter may contain an added anti-dusting agent,
provided that such addition does not render the product particularly
suitable for specific use rather than for general use.
2. -
This Chapter does not cover :
(a) Sublimed
sulphur, precipitated sulphur or colloidal sulphur (heading 28.02);
(b) Earth
colours containing 70 % or more by weight of combined iron evaluated as
Fe2O3 (heading 28.21);
(c) Medicaments
or other products of Chapter 30;
(d) Perfumery,
cosmetic or toilet preparations (Chapter 33);
(e) Dolomite ramming mix (heading 38.16);
(f) Setts,
curbstones or flagstones (heading 68.01); mosaic cubes or the like
(heading 68.02); roofing, facing or damp course slates (heading 68.03);
(g) Precious
or semi-precious stones (heading 71.02 or 71.03);
(h) Cultured
crystals (other than optical elements) weighing not less than 2.5 g
each, of sodium chloride or of magnesium oxide, of heading 38.24;
optical elements of sodium chloride or of magnesium oxide (heading
90.01);
(i) Billiard
chalks (heading 95.04); or
(ij) Writing
or drawing chalks or tailors' chalks (heading 96.09).
3. -
Any products classifiable in heading 25.17 and any other heading of the
Chapter are to be classified in heading 25.17.
4. -
Heading 25.30 applies, inter alia, to : vermiculite, perlite and
chlorites, unexpanded; earth colours, whether or not calcined or mixed
together; natural micaceous iron oxides; meerschaum (whether or not in
polished pieces); amber; agglomerated meerschaum and agglomerated amber,
in plates, rods, sticks or similar forms, not worked after moulding;
jet; strontianite (whether or not calcined), other than strontium oxide;
broken pieces of pottery, brick or concrete.