Harmonized System

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Section VI > Chapter 28 > Heading 2809

Explanatory notes

… ‑ Phosphoric acid and polyphosphoric acids This heading covers diphosphorus pentaoxide, phosphoric acid … of phosphorus extracted from natural phosphates. It is a very corrosive white powder, absorbs water avidly, and is …

Section XVI > Chapter 85 > Heading 8546

Explanatory notes

… and mechanical considerations. The external surface is very smooth in order to prevent the formation of deposits of non‑insulating … water, salts, dusts, oxides and smoke. Insulators are often given bell, accordion, petticoat, grooved, cylinder or other …

Section VI > Chapter 28 > Heading 2840

Explanatory notes

… in the introduction to this sub‑Chapter, this heading covers borates, metal salts of the various boric acids, … obtained by crystallisation or by a chemical process are covered by this heading, as are also natural borates … is metaborate (NH 4 BO 2 .2H 2 O). Colourless crystals, very soluble in water, efflorescent. Decomposed by heat to …

Section VI > Chapter 28 > Heading 2818

Explanatory notes

… from the natural starting material (bauxites) or added to improve, for example, the hardness of the fused grain or to modify the colour. However, mechanical mixtures of artificial corundum and … aluminium oxide to the action of air and acids, and is very hard. It is used, e.g., as an abrasive, in the …

Section II > Chapter 8 > Heading 0805

Explanatory notes

… Explanatory Notes. Subheading 0805.21 This subheading covers mandarins (including tangerines and satsumas). … and by their sweeter and more perfumed taste. Mandarins have an open core (much more so than any of the oranges) and … orange in colour, and they have more pips. Wilkings are very juicy and have a rich, aromatic and distinctive …

Section XVIII > Chapter 90 > Heading 9012

Explanatory notes

… or coils carrying a current); these act as condenser, objective and projector. There is usually also a further … “lens”, between the objective and the projector, which serves to vary the range of magnification while not altering … also includes scanning electron microscopes in which a very fine beam of electrons is directed repeatedly onto …

Section XX > Chapter 96 > Heading 9606

Explanatory notes

…               ‑ Buttons : 9606.21 ‑ ‑ Of plastics, not covered with textile material 9606.22 ‑ ‑ Of base metal, not … and other parts of buttons; button blanks This heading covers buttons, studs, and similar articles used for … for sewing on garments, etc., or they may be attached by “riveting” (e.g., press‑studs for gloves).        …

Section XVI > Chapter 84 > Heading 8450

Explanatory notes

… linen capacity exceeding 10 kg 8450.90 - Parts The heading covers household or laundry‑type washing machines (whether or not electric and whatever the weight), which are normally used in the … circulating through the contents, or sometimes a device to give high frequency vibrations to the liquid. The heading …

Section VII > Chapter 39 > Heading 3908

Explanatory notes

… ‑6,6, ‑6,9, ‑6,10 or ‑6,12 3908.90 ‑ Other This heading covers polyamides and copolymers thereof. Linear polyamides … polyamides are the condensation products of dimerised vegetable oil acids with amines. Polyamides have a high tensile strength and resistance to shock. They …

Section I > Chapter 4 > Heading 0410

Explanatory notes

… included . 0410.10 ‑ Insects 0410.90 ‑ Other This heading covers insects (as defined in Note 6 to this Chapter) and … not specified or included elsewhere in the Nomenclature.  However, non-living insects unfit for human consumption … It includes : (1)   Turtles’ eggs . These are eggs laid by river or marine turtles; they may be fresh, dried or …

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