Harmonized System

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Section XIII > Chapter 68 > Heading 6815

Explanatory notes

… . These articles are fired during the first heating of the furnace in which they are installed. Similar products … acids). (8)   Paving blocks and slabs obtained by moulding fused slag without a binder, but excluding those having the … or flint. (10) Blocks, slabs, sheets and other articles of fused basalt; these are used, because of their great …

Section XV > Chapter 81 > Heading 8101

Explanatory notes

… the oxide, which is then reduced by hydrogen in an electric furnace or by aluminium or carbon in a high temperature … are sintered in an atmosphere of hydrogen in an electric furnace. The compact sintered bars are then hammered … light bulbs and radio valves; elements for electric furnaces; anti‑cathodes for X‑ray tubes; electric contacts; …

Section VI > Chapter 28 > Heading 2828

Explanatory notes

… Hypochlorous acid, readily giving off chlorine, is a very powerful oxidising and bleaching agent. (1)   Sodium … include hypochlorites of ammonium (a disinfectant more powerful than calcium hypochlorite), of barium, of magnesium … 3 H 2 O) masses, or aqueous solutions. Stable up to 100 °C. Powerful oxidising agent, very corrosive. Used in dyeing or …

Section VI > Chapter 28 > Heading 2829

Explanatory notes

… printing (aniline black dyes), for the manufacture of fulminating primers and preparations for match heads, as a … salts of perchloric acid (HClO 4 ) (heading 28.11). These powerful oxidising agents are used in pyrotechnics and in … Used in the chemical industry as an oxidising agent more powerful than chlorates. (4)   Other perchlorates . These …

Section III > Chapter 15 > Heading 1501

Explanatory notes

… Refining is effected by neutralisation, by treatment with Fuller’s earth, insufflation with superheated steam, …

Section XVIII > Chapter 90 > Heading 9021

Explanatory notes

… persons, are excluded ( heading 66.02 ).) This group further includes walking aids known as “walker-rollators”, … lenses . Artificial eyes for tailors’ dummies, for furs, etc., are excluded (generally classified in heading … which they provide with the impulses necessary for its functioning. Other types of pacemakers are used to stimulate …

Section XV > Chapter 74 > Heading 7403

Explanatory notes

… are, however, classified in heading 74.06 . This heading further covers cast and sintered slabs, bars, rods and … sintering (heating to an appropriate temperature below the fusion point of the metals). In the sintered state the … and are normally rolled, extruded, forged, etc., to achieve useful density. These rolled, etc., products are excluded …

Section VI > Chapter 28 > Heading 2806

Explanatory notes

… (HYDROCHLORIC ACID) Hydrogen chloride (HCl) is a colourless fuming gas with a suffocating odour, obtained by the action … if pure. The concentrated solutions give off white fumes in damp air. Hydrochloric acid has many uses, e.g., … colourless or brownish liquid with an irritating odour; it fumes in a humid atmosphere and decomposes on contact with …

Section XVI > Chapter 84 > Heading 8473

Explanatory notes

… or to perform a particular service relative to the main function of the machine, or to increase its range of … (b) (iv) to Chapter 85), and not having an individual function. But the heading excludes covers, carrying cases … in their appropriate headings. It also excludes articles of furniture (e.g., cupboards and tables) whether or not …

Section III > Chapter 15 > Heading 1517

Explanatory notes

… (produced from texturised oils or fats). The heading further includes edible mixtures or preparations of animal, … not include single fats and oils simply refined, without further treatment; these remain classified in their … or other milkfat (generally Chapter 21 ). The heading further excludes products obtained by pressing tallow or …