Chapter notes
Chapter 25 - NOTES
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
No. 28.02);
(b) Earth colours containing 70% or more by weight of combined iron
evaluated as Fe2O3 (heading No. 28.21);
(c) Medicaments and other products of Chapter 30;
(d) Perfumery, cosmetic or toilet preparations (Chapter 33);
(e) Setts, curbstones or flagstones (heading No. 68.01); mosaic cubes or
the like (heading No. 68.02); roofing, facing or damp course slates
(heading No. 68.03);
(f) Precious or semi-precious stones (heading No. 71.02 or 71.03);
(g) Cultured crystals (other than optical elements) weighing not less than
2.5 g each, of sodium chloride or of magnesium oxide, of heading No. 38.23;
optical elements of sodium chloride or of magnesium oxide (heading No.
90.0l);
(h) Billiard chalks (heading No. 94.04); or
(ij) Writing or drawing chalks, or tailors' chalks (heading No. 96.09).
3. Any products classifiable in heading No.25.17 and any other heading of
the Chapter are to be classified in heading No. 25.17.
4. Heading No. 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
pottery.