Harmonized System

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Section VIII > Chapter 41 > Heading 4107

Explanatory notes

… leather.  It is usually vegetable-tanned or tanned by a combination process and brown in colour, but some varieties (of a greenish-blue colour) are chrome-tanned. Leather for machinery belting is usually made …

Section VI > Chapter 29 > Heading 2910

Explanatory notes

… (ISO) 2910.90 - Other If one molecule of water is removed from organic compounds (diols, glycols) having two hydroxyl groups in the … from propylene glycol (i.e., ethylene glycol in which one atom of hydrogen has been replaced by a methyl radical (-CH …

Section XIII > Chapter 68 > Heading 6806

Explanatory notes

… wool and rock wool (e.g., of granite, basalt, limestone or dolomite) are obtained by melting one or more of these … a blend of alumina and silica, in varying proportions, sometimes with the addition of small amounts of other oxides such as zirconia, chromia or boric oxide, and by blowing or extruding the melt …

Section XV > Chapter 81 > Heading 8104

Explanatory notes

… to size; powders 8104.90 ‑ Other Magnesium is extracted from a number of raw materials almost all of which fall, not in Chapter 26 (Ores), but in Chapter 25 or 31, e.g., dolomite (heading 25.18), magnesite (or giobertite) (heading … magnesium is used in the preparation of many chemical compounds, as a de‑oxidising and de‑sulphurising agent in …

Section VI > Chapter 38 > Heading 3803

Explanatory notes

… 38.03 ‑ Tall oil, whether or not refined. Tall oil (sometimes known as liquid rosin) is obtained from the black liquor left over from the manufacture of wood … of fatty acids (mainly oleic and linoleic acids and their isomers), resin acids (especially the abietic types), and a …

Section VI > Chapter 29 > Heading 2923

Explanatory notes

… valence may , however, be filled by other anions (chloride, bromide, iodide, etc.) to give quaternary ammonium salts . … bile, in the brain, in egg-yolk, and in all fresh seeds. A compound from which other very important biological …

Section VII > Chapter 39 > Heading 3911

Explanatory notes

… more or less impure fractions obtained, respectively, from deeply cracked petroleum distillates, from coal tar or … poly(phenylene sulphide). In polysulphides each sulphur atom is bound on both sides by carbon atoms, as opposed to the thioplasts of Chapter 40, which …

Section XV > Chapter 72 > Heading 7207

Explanatory notes

… which has given them a rough appearance. The heading covers blooms, billets, rounds, slabs, sheet bars, pieces roughly …

Section II > Chapter 14 > Heading 1401

Explanatory notes

… , special varieties of grasses, which grow profusely in some regions and particularly in China, Japan and India. … stems of climbing palms usually of the genus Calamus and come mainly from Southern Asia. They are cylindrical, solid and flexible …

Section IV > Chapter 19 > Heading 1904

Explanatory notes

… or cereal products 1904.20 ‑ Prepared foods obtained from unroasted cereal flakes or from mixtures of unroasted cereal flakes and roasted cereal …        This group covers a range of food preparations made from cereal grains (maize, wheat, rice, barley, etc.) which …