Harmonized System

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Section VI > Chapter 28 > Heading 2849

Explanatory notes

… electropositive than carbon. Those known as acetylides are also classified in this heading.        The best known … (1) Calcium carbide (CaC 2 ). A transparent, colourless solid in the pure state, opaque and grey when impure. … titanium carbonitride. The proportions of the elements in some of these compounds may not be stoichiometric. …

Section VI > Chapter 28 > Heading 2818

Explanatory notes

… below, or from ammonium alum. It is a light white powder, insoluble in water, specific gravity about 3.7. Uses include, … but not chemically purified (e.g., by treatment with soda) for use as an electrolyte ( heading 26.06 ). (c)   Activated bauxite ( heading 38.02 ). (d)   Colloidal solutions of aluminium hydroxide (soluble alumina) ( heading …

Section III > Chapter 15 > Heading 1516

Explanatory notes

… below, but have not been further prepared. The heading also covers similarly treated fractions of animal, vegetable … (2) Wholly hydrogenated (e.g., oils converted into pasty or solid fats).       The products most commonly hydrogenated … (cotton-seed oil, sesame oil, ground-nut oil, colza oil, soya-bean oil, maize (corn) oil, etc.). Wholly or partly …

Section VIII > Chapter 43 > Heading 4302

Explanatory notes

… or W‑shaped strips, and reassembled in their original order so as to obtain a longer but narrower furskin. Tanning … may generally be distinguished from raw skins by their softness and pliability. The hair or wool may also be … (linings or robes) ‑ assemblies in the form of a trapezium, sometimes sewn into tubular form. Bodies for making fur …

Section XI > Chapter 51 > Heading 5101

Explanatory notes

… in which the flesh side of the skins is treated with a sodium sulphide or lime solution. Such wool is recognizable by the presence of hair … cleaned.         Greasy wool is normally yellowish. Some, however, is grey, black, brown or russet in colour. …

Section XVIII > Chapter 91 > Heading 9102

Explanatory notes

… heading covers not only watches with simple movements but also those with complex systems (i.e., incorporating extra … tenths, hundredths and thousandths of a second. They are sometimes equipped with special devices so that the speed of a runner, a motor vehicle, sound, etc., the pulse rate, the output of a machine, etc., …

Section XVI > Chapter 84 > Heading 8440

Explanatory notes

… size suitable for pages. They remain here even if they can also be used for other folding operations. (2)   Stapling … book cloth, etc., a gluing device and a press, and also sometimes provision for heating and drying. (11) Machines …

Section XVI > Chapter 85 > Heading 8545

Explanatory notes

… etc.) and the necessary binders (pitch, tar, etc.), may also contain other substances such as metallic powders. In some cases the articles of this heading may be coated … are generally in the form of cylinders or rods, and are sometimes threaded or tapped at the ends to enable them to …

Section IV > Chapter 21 > Heading 2102

Explanatory notes

… vats. It is presented as a yellowish‑brown paste or solid generally with the bitter flavour of hops and the … form of pressed yellowish‑grey cakes (pressed yeast) which sometimes have an alcoholic odour. It is, however, also … in those industries. They are used for human consumption (source of vitamin B) or for feeding animals. It should, …

Section XIV > Chapter 71 > Heading 7103

Explanatory notes

… colour, brilliance, resistance to deterioration, and often also because of their rarity, these stones, which are usually … for making articles of adornment or ornamentation. Some are also used in clocks and watches or in tools or, …