Harmonized System

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Section VI > Chapter 29 > Heading 2934

Explanatory notes

… unfused thiazole ring (whether or not hydrogenated) in the structure 2934.20 - Compounds containing in the structure a … ring-system (whether or not hydrogenated), not further fused 2934.30 - Compounds containing in the … and stimulants for the nervous system and solvents for uric acid . The heterocyclic compounds covered by this …

Section VI > Chapter 28 > Heading 2849

Explanatory notes

… carbides are : (1) Calcium carbide (CaC 2 ). A transparent, colourless solid in the pure state, opaque and grey when impure. Decomposed by water to produce acetylene; used for …

Section XX > Chapter 96 > Heading 9601

Explanatory notes

… or cutting. Most of them may also be moulded. For the purposes of this heading, the expression “worked” refers to … or otherwise worked by grinding, drilling, milling, turning, etc. However, pieces which are identifiable as … (III)   Tortoise‑shell, obtained almost exclusively from turtles. Tortoise‑shell, which is yellowish, brownish or …

Section VI > Chapter 38 > Heading 3809

Explanatory notes

… of products and preparations, of a kind generally used during processing or finishing of yarns, fabrics, paper, … the vulcanised fibre manufacturing industry and the fur industry. Such products and preparations (e.g., textile … , for example : stiffening agents , generally based on natural starchy substances (such as starch of wheat, rice, …

Section IX > Chapter 44 > Heading 4418

Explanatory notes

… multilayer 4418.79 - - Other               - Engineered structural timber products : 4418.81 - - Glue-laminated … woodwork (such as beams, rafters and roof struts) used for structural purposes or in scaffoldings, arch supports, etc., … constructional work. However, plywood panels, even if surface treated for the purposes of concrete shuttering, are …

Section VI > Chapter 28 > Heading 2801

Explanatory notes

… Copper............... Cu 29 Base metal (Chapter 74). Curium.............. Cm 96 Radioactive element (28.44). … Erbium............... Er 68 Rare‑earth metal (28.05). Europium.......... Eu 63 Rare‑earth metal (28.05). … metal (81.08). Tungsten........... W 74 Base metal (81.01). Uranium............ U 92 Radioactive element (28.44). …

Section VI > Chapter 38 > Heading 3806

Explanatory notes

… Both rosin and resin acids consist essentially of complex mixtures of abietic acid and allied acids with small amounts … They are solids, usually transparent and vitreous. Their colour may vary from pale yellow to dark brown according to the amount of the impurities present. Rosin and resin acids are obtained by …

Section XI > Chapter 52 > Heading 5206

Explanatory notes

… ‑ Single yarn, of uncombed fibres : 5206.11 ‑ ‑ Measuring 714.29 decitex or more (not exceeding 14 metric number) 5206.12 ‑ ‑ Measuring less than 714.29 decitex but not less than 232.56 … number but not exceeding 43 metric number) 5206.13 ‑ ‑ Measuring less than 232.56 decitex but not less than 192.31 …

Section V > Chapter 27 > Heading 2711

Explanatory notes

… hydrocarbons.               - Liquefied : 2711.11 - - Natural gas 2711.12 - - Propane 2711.13 - - Butanes 2711.14 … Methane and propane are, however, included even when pure. These hydrocarbons are gaseous at a temperature of …

Section VI > Chapter 28 > Heading 2818

Explanatory notes

… corundum is formed by fusing aluminium oxide in an electric furnace. The aluminium oxide may contain small proportions … titanium oxide, chromium oxide) either deriving from the natural starting material (bauxites) or added to improve, … example, the hardness of the fused grain or to modify the colour. However, mechanical mixtures of artificial corundum …