… ‑11, ‑12, ‑6,6, ‑6,9, ‑6,10 or ‑6,12 3908.90 ‑ Other This heading covers polyamides and copolymers thereof. Linear polyamides are known as nylons. Polyamides …
… obtained by vulcanising rubber with a high proportion (more than 15 parts per hundred parts of rubber) of combined … levels of fillers, for example, coal, clays and silica. In the absence of fillers, pigments and cellular structures, … rubbers acquire a highly lustrous finish when polished. This heading covers hard rubber including the cellular …
… 39.01 to 39.13, in primary forms. Ion‑exchangers of this heading are cross‑linked polymers, generally in … (usually sulphonic, carboxylic, phenolic or amino groups). These active ionic groups enable the polymers, when brought …
… Unrefined copper; copper anodes for electrolytic refining. This heading covers : (1) Black copper . It consists of … ores or impure copper scrap, usually in a blast furnace. The copper content varies widely, usually in the range of …
… structure 7603.20 ‑ Powders of lamellar structure; flakes This heading covers aluminium powders as defined in Note 8 (b) to Section XV and aluminium flakes. In general these products correspond to those of copper and the Explanatory Note to heading 74.06 …
… iron pyrites. ‑ Iron ores and concentrates, other than roasted iron pyrites : 2601.11 ‑ ‑ Non‑agglomerated … iron pyrites The principal ores generally classified in this heading are : (a) Red haematite , including specular …
… 25.24 ‑ Asbestos. 2524.10 - Crocidolite 25 24 . 9 0 - Other Asbestos is a natural mineral substance produced by the … but a lower resistance to heat and less elastic fibres thanother forms of asbestos and is acid resistant but not …
