Harmonized System

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Section XV > Chapter 80

Explanatory notes

… as follows : (I) Concentration of the ore by washing, or by crushing and flotation. (II)  Treatment of the oxide by … is attacked by concentrated acids. * *    * Tin is chiefly used for tinning other base metals especially iron or steel … for certain capacity measures. (2)   Tin‑antimony alloys, usually with copper (e.g., Britannia metal) used for …

Section XVI > Chapter 85 > Heading 8505

Explanatory notes

… These are of various sizes and shapes according to the use for which they are intended. They consist essentially of … confers magnetic properties on the core, which can then be used either for attraction or repulsion. (2)   Permanent … essentially of electro‑magnets, generally circular, and are usually used in conjunction with cranes (e.g., for the …

Section VI > Chapter 29 > Heading 2930

Explanatory notes

… Sodium ethyldithiocarbonate (ethylxanthate)* . Amorphous; used to prepare synthetic indigo, and in the flotation of … (ethylxanthate). Oily, yellowish crystals; used as a flotation agent for lead and zinc ores, and as an …

Section XVIII > Chapter 91 > Heading 9114

Explanatory notes

… for self‑winding watches).         (2)     Parts of general use as defined in Note 2 to Section XV, e.g., screws … devices for time‑registers, and certain other parts used in articles of heading 91.06 or 91.07). The heading … intended for incorporation in a whole range of appliances using clock or watch movements (time‑registers, time …

Section XIII > Chapter 68 > Heading 6815

Explanatory notes

… Carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for … organic polymers in filamentary forms. The products are used, for example, for reinforcement. (3)   Articles made of … as used for melting glass). (7)   Touchstones for testing precious metal; these may be of natural stone (e.g., lydite, …

Section VI > Chapter 28 > Heading 2820

Explanatory notes

… insoluble in water.        A very powerful oxidising agent. Uses include pyrotechnics, organic synthesis (preparation of … semi‑precious stones (artificial garnet). It is also used in the glass industry (glassmakers’ soap) generally to …

Section XIII > Chapter 69 > Heading 6907

Explanatory notes

… ceramic flags and tiles, including quarry tiles, commonly used for paving or for facing walls, hearths, etc. Flags and … etc. They also differ from roofing tiles in that they are usually flat and do not need to be pierced or provided with …

Section VII > Chapter 39 > Heading 3913

Explanatory notes

… of purity of the alginates. Water‑soluble alginates are used as thickeners, stabilisers, gelling and film‑forming …        These include : (a)  Chlorinated rubber . This is usually produced in the form of small white granules. It is …

Section XVI > Chapter 84 > Heading 8453

Explanatory notes

… subsequent finishing operations. It also covers machinery used for making or repairing articles of hide, skins or … machines , which remove from the raw skins the hairs previously loosened by chemical action. (2)   Fleshing …

Section VI > Chapter 28 > Heading 2839

Explanatory notes

… 2839.19 ‑ ‑ Other 2839.90 ‑ Other Subject to the exclusions mentioned in the introduction to this … solutions. They deflocculate the gangues of ores and are used as flotation regulators. Also employed as fillers for …