Harmonized System
Section XVIII > Chapter 90 > Heading 9001
… Optical fibres and optical fibre bundles; optical fibre … those of heading 85.44; sheets and plates of polarising material; lenses (including contact lenses), prisms, mirrors … material, unmounted, other than such elements of glass not optically worked. …
Explanatory notes
… in which case the fibres are agglomerated by a binder along their full length, or they may be flexible, in which … which have been ground and polished as described above, and also to elements which have been polished after moulding. … crystals of magnesium oxide or of the halides of the alkali or the alkaline‑earth metals). Optical elements are …Section XXI > Chapter 97 > Heading 9705 > 9705.2
… Collections and collectors' pieces of zoological, botanical, mineralogical, anatomical or paleontological interest …
Section XV > Chapter 83 > Heading 8311
… tubes, plates, electrodes and similar products, of base metal or of metal carbides, coated or cored with flux material, of a kind used for soldering, brazing, welding or …
Explanatory notes
… tubes, plates, electrodes and similar products, of base metal or of metal carbides, coated or cored with flux … welding or deposition process. The electrodes, etc., may also contain the additive metal in powder form. In electric … where, apart from flux material , the solder consists of an alloy containing 2 % or more by weight of any one precious …Section XVIII > Chapter 90
… Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories …
Explanatory notes
… of heading 69.09; (d) Glass mirrors, not optically worked, of heading 70.09, or mirrors of base metal or … in themselves essentially optical instruments (for example, alignment telescopes); calculating machines (heading 84.70); …Legal note
… of heading 69.09; (d) Glass mirrors, not optically worked, of heading 70.09, or mirrors of base metal or … in themselves essentially optical instruments (for example, alignment telescopes); calculating machines (heading 84.70); …Section XVI > Chapter 84 > Heading 8480
… Moulding boxes for metal foundry; mould bases; moulding patterns; moulds for metal (other than ingot moulds), metal carbides, glass, mineral materials, rubber or plastics. …
Explanatory notes
… patterns, with certain exceptions referred to later, it also covers all moulds (whether or not hinged, and whether used by hand …Section VI > Chapter 28 > Heading 2818
… Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide. …
Explanatory notes
… ‑ Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide. 2818.10 ‑ Artificial …Section VI > Chapter 38 > Heading 3802
… Activated carbon; activated natural mineral products; animal black, including spent …
Explanatory notes
… small specific surface (of the order of 1 to 100 m 2 /g). Although they generally have a high electrical charge … use as filtering agents. Products of this type are also generally obtained by appropriate heat treatment. The presence of alkaline substances during the calcining process sometimes …Section V > Chapter 27 > Heading 2715
… Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous …
Explanatory notes
… 27.15 ‑ Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, … sheets and tiles) ( heading 68.07 ). The heading also excludes : (a) Tarred macadam (crushed stones mixed …Section VII > Chapter 39 > Heading 3913
… Natural polymers (for example, alginic acid) and modified …
Explanatory notes
… 39.13 ‑ Natural polymers (for example, alginic acid) and modified natural polymers (for example, … Alginic acid , a poly(uronic acid), is extracted from brown algae ( Phaeophyta ) by maceration in an alkaline solution. …Section XIV > Chapter 71 > Heading 7114 > 7114.1 > 7114.19
… Of other precious metal, whether or not plated or clad with precious metal …