Harmonized System

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Section VI > Chapter 28 > Heading 2808

Explanatory notes

… (HNO 3 ) is mainly obtained by oxidising ammonia in the presence of a catalyst (platinum, iron, chromium, bismuth or … Nitric acid is a colourless or yellowish toxic liquid. In concentrated form (fuming nitric acid), it gives off clouds … or earthenware carboys or aluminium containers. Its uses include the manufacture of nitrates (of silver, mercury, …

Section XIX > Chapter 93 > Heading 9302

Explanatory notes

… from the hand. Revolvers are single barrelled firearms incorporating a revolving cylinder. Pistols have one or more … also covers miniature pistols and revolvers; it also includes such weapons made in the form of other objects, for example, pencils, pocket knives or cigarette cases, provided they …

Section XV > Chapter 72 > Heading 7203

Explanatory notes

… are obtained from ore in lumps or in granules or from concentrated ore in the form of briquettes or pellets. They … the former differ from the latter, notably, by the shiny appearance of their cut surface. Ferrous products obtained … This iron, used in research laboratories and by certain branches of the iron‑working industry (e.g., in powder …

Section XV > Chapter 74 > Heading 7407

Explanatory notes

…               ‑ Of copper alloys : 7407.21 ‑ ‑ Of copper‑zinc base alloys (brass) 7407.29 ‑ ‑ Other Bars and rods are … higher precision. They may also be worked (e.g., drilled, punched, twisted or crimped), provided that they do not … of other headings. The heading also covers hollow profiles including finned or gilled tubes and pipes obtained by …

Section XV > Chapter 74 > Heading 7411

Explanatory notes

…               ‑ Of copper alloys : 7411.21 ‑ ‑ Of copper‑zinc base alloys (brass) 7411.22 ‑ ‑ Of copper‑nickel base … in ships and power stations because of their strong resistance to corrosion, particularly salt water. The heading does not cover  : (a)   Hollow profiles including finned or gilled tubes and pipes obtained by …

Section V > Chapter 25 > Heading 2512

Explanatory notes

… is to be taken as their effective weight in kg/1,000 cm 3 , uncompressed, in the form in which they are presented. The principal siliceous earths are kieselguhr, tripolite, … with the true tripoli known as “rotten‑stone”, which, since it results from the natural decomposition of certain …

Section X > Chapter 48 > Heading 4807

Explanatory notes

… solvent, the separate layers can be readily parted and bear evidence of the adhesive substance. The layers of composite papers and paperboards … acts as waterproofing material (e.g., tarred duo‑kraft) are included in this heading, as are also paper and paperboard …

Section VII > Chapter 39 > Heading 3910

Explanatory notes

… may be either liquid, semi‑liquid or solid. The products include silicone oils, greases, resins and elastomers. (1)   … reinforcing material, as flexible moulds and for electrical encapsulation. (3)   Silicone elastomers, although not … suitable for manufacture into washers or other packings for appliances submitted to high or low temperatures. An …

Section XV > Chapter 73 > Heading 7315

Explanatory notes

… of manufacture or, in general, their intended use. It includes articulated link chain (e.g., roller chain, … chain and Galle chain), non‑articulated link chain including stud‑link chain (whether forged, cast, welded, … chains for cycles, automobiles or machinery. (2)   Anchor or mooring chains; lifting, haulage or towing chains; …

Section XV > Chapter 74 > Heading 7410

Explanatory notes

… in booklet form. Other foil, such as that used for making fancy goods, is often backed with paper, paperboard, … etc.), or printed. The limiting thickness of 0.15 mm includes coatings of varnish, etc., but, on the other hand, …

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