Harmonized System

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Section XIII > Chapter 70 > Heading 7015

Explanatory notes

… - Glasses for corrective spectacles 7015.90 - Other This heading covers : (A)  Glass, curved, bent, hollowed or the … faces, they may have certain optical properties, but whereas the primary function of the glass elements of … by means of a kind of diamond-tipped compass. The edges of each segment are then turned-in by hot-pressure in a mould. …

Section VI > Chapter 28 > Heading 2840

Explanatory notes

… mentioned in the introduction to this sub‑Chapter, this heading covers borates, metal salts of the various boric … by crystallisation of solutions of natural borates, or by treating natural calcium borates or boric acid with sodium … carbonate. Anhydrous or hydrated with 5 H 2 O or 10 H 2 O. Heated and then cooled down, it gives a vitreous mass …

Section VI > Chapter 28 > Heading 2818

Explanatory notes

… other substances, such as zirconium dioxide, are excluded ( heading 38.24 ). Artificial corundum is put up in small … organic colouring matter, for preparing the colour lakes of heading 32.05 and textile mordants. The aluminates of heading 28.41 correspond to this amphoteric hydroxide. This …

Section XVIII > Chapter 90 > Heading 9012

Explanatory notes

… diffraction apparatus 9012.90 ‑ Parts and accessories This heading includes : (A)  Electron microscopes differ from optical microscopes in that they use a beam of electrons instead of light rays.        The normal type of electron …

Section XV > Chapter 79 > Heading 7907

Explanatory notes

… 79.07 - Other articles of zinc. This heading covers all articles of zinc other than those covered by the preceding headings of this Chapter, or by Note 1 to Section XV, or … 73.24 )). (6)   Zinc “labels” (for trees, plants, etc.) not bearing letters, numbers or designs, or bearing only …

Section VI > Chapter 29 > Heading 2901

Explanatory notes

… 8 ) with three atoms of carbon are, however, classified in heading 27.11 even if they are pure. The saturated acyclic hydrocarbons of this heading include : (1) Ethane (C 2 H 6 ) with two atoms of … to fifteen atoms of carbon are liquid; hydrocarbons with a greater number of carbon atoms are generally solid. One or …

Section VI > Chapter 29 > Heading 2905

Explanatory notes

… hexadecan-1-ol (cetyl alcohol) and octadecan-1-ol (stearyl alcohol) 2905.19 - - Other               - … by the hydroxyl group. They are oxygenated compounds which react with acids giving the compounds known as esters. The … tertiary (containing the characteristic group   COH). This heading covers the acyclic alcohols described below and …

Section XVI > Chapter 85 > Heading 8532

Explanatory notes

… designed for use in 50/60 Hz circuits and having a reactive power handling capacity of not less than 0.5 kvar … contacts from the effects of arcing, for storing and releasing given quantities of electricity, in oscillating … dielectric, etc.) vary according to their intended use. The heading, however, covers all capacitors irrespective of …

Section VI > Chapter 28 > Heading 2832

Explanatory notes

… mentioned in the introduction to this sub‑Chapter, this heading covers : (A)  Metal sulphites ‑ salts of sulphurous … in organic synthesis, in the manufacture of indigo, for bleaching wool or silk, as a vulcanising agent for the treatment of latex, in tanning, in oenology (as an …

Section XVIII > Chapter 92 > Heading 9206

Explanatory notes

… collectively as “the drums”. The main instruments in this heading are : (A) Those with a stretched skin , e.g. : (1) … or metal cylinder with parchment or vellum stretched over each end (double‑headed drums). They are sounded by striking with one or two …