Harmonized System

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Section XVIII > Chapter 90 > Heading 9020

Explanatory notes

… by a hose to compressors, compressed air supply pipes, storage cylinders or (in the case of certain short distance … are therefore used in certain industries, or in warfare (against poison gases). In these appliances air for breathing … or gas masks of this heading : (a)   Masks for protection against dust, odours, etc., not equipped with a replaceable …

Section IV > Chapter 17 > Heading 1704

Explanatory notes

… foodstuffs such as gelatin, starch or flour) and flavouring agents (including substances having medicinal properties, … having medicinal properties, other than flavouring agents, fall in Chapter 30 , provided that the proportion of … composed of sugar, cocoa butter, milk powder and flavouring agents, but not containing more than mere traces of cocoa …

Section VI > Chapter 28 > Heading 2828

Explanatory notes

… off chlorine, is a very powerful oxidising and bleaching agent. (1)   Sodium hypochlorite (NaClO.6H 2 O). Put up in … more powerful than calcium hypochlorite), of barium, of magnesium or of zinc; all are bleaching agents or disinfectants. (B) COMMERCIAL CALCIUM HYPOCHLORITE …

Section VI > Chapter 28 > Heading 2829

Explanatory notes

… chlorides of the alkali metals). Used as an oxidising agent, in organic synthesis, in textile printing (aniline … acid (HClO 4 ) (heading 28.11). These powerful oxidising agents are used in pyrotechnics and in the manufacture of …

Section XVI > Chapter 84 > Heading 8463

Explanatory notes

… machines apart from presses of heading 84.62 . (6)   Swaging machines , in which tubes or bars are forced through … flexible tubes of spiral metal strip . (9)   Electro‑magnetic‑pulse metal‑forming machines ( or magneto‑forming machines ), using the force of a magnetic …

Section VI > Chapter 32 > Heading 3206

Explanatory notes

… addition of a small quantity of an organic surface-active agent; (b) mica coated with bismuth chloride oxide, titanium … luminescent properties not to the presence of activating agents but to a treatment giving them a very special …

Section VI > Chapter 28 > Heading 2835

Explanatory notes

… ignites spontaneously. Alkali phosphinates are reducing agents. The most important are : (I)   Sodium phosphinate … or calcium, soluble in water and acting as reducing agents. (C) PHOSPHATES AND POLYPHOSPHATES Subject to the …

Section XVI > Chapter 85 > Heading 8514

Explanatory notes

… furnaces and ovens in which the heat is produced by the passage of a current through heating resistors.  These … special oil, maintained at the required temperature by the passage of electricity, via the electrodes, through the … salt.  Electrolytic dissociation which is caused by the passage of electricity through the electrolyte via the …

Section XIV > Chapter 71 > Heading 7113

Explanatory notes

… hat ornaments (pins, buckles, rings, etc.); ornaments for handbags; buckles and slides for belts, shoes, etc.; … tortoise-shell, mother of pearl, ivory, amber (natural or agglomerated), jet or coral. The heading also covers … and heads therefor. (ij)   Articles of jewellery of an age exceeding 100 years ( heading 97.06 ). …

Section XVIII > Chapter 90 > Heading 9023

Explanatory notes

… the Atwood machine (for demonstrating the law of gravity), Magdeburg hemispheres (for demonstrating the effects of … (textile fibres, woods, etc.), or showing the various stages of manufacture or processing of a product (for …