Harmonized System

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Section VI > Chapter 28 > Heading 2830

Explanatory notes

… air, or in hydrated crystals (with 9 H 2 O), colourless or greenish, according to their degree of purity. Mild reducing … 32.06 ). The heading excludes natural cadmium sulphide (greenockite) ( heading 25.30 ). (4)   Ammonium hydrogen … by calcining a mixture of calcium sulphate and carbon. Greyish or yellowish masses, sometimes luminescent, almost …

Section VI > Chapter 29 > Heading 2902

Explanatory notes

… not differ in general chemical structure from the cyclene group and have the general formula (C 5 H 8 ) n where n may … of 6 atoms of carbon and 6 atoms of hydrogen, arranged in 6 groups of (CH) to form a hexagonal ring. (I)    Hydrocarbons …

Section XVI > Chapter 84 > Heading 8419

Explanatory notes

… that this heading does not include : (a)   Domestic stoves, grates, cookers, etc., of heading 73.21 . (b)   Air heaters … plant, incubators or brooders ( heading 84.36 ). (k)   Grain dampening machines ( heading 84.37 ). (l)    Diffusing … below. (I) HEATING OR COOLING PLANT AND MACHINERY This group covers plant of general use in many industries for the …

Section XVI > Chapter 85 > Heading 8541

Explanatory notes

… (i) to this Chapter. The operation of the devices of this group is based on the electronic properties of certain … of area processing on a wafer level that may include grinding, polishing, doping, spin coating, imaging, CVD, … of electron donors/acceptors to change the resistance in graphene with an extremely high surface area. (2) …

Section VI > Chapter 28 > Heading 2819

Explanatory notes

… or needles; deliquescent; very soluble in water; specific gravity about 2.8. When combined with alcohol it gives … salt or by reducing dichromates. A very hard, olive green product, in powder or in crystals; insoluble in water; specific gravity about 5. The pure oxide is used as a pigment known …

Section V > Chapter 25 > Heading 2513

Explanatory notes

… the touch and extremely light in weight, usually whitish or grey, but sometimes brown or red. The heading also covers … dirty brown powder interspersed with occasional glittering grains; a magnet attracts the particles of iron oxide. … presented in bags, in the form of more or less fine grains. Ground or crushed corundum is mainly composed of small white …

Section XVI > Chapter 84 > Heading 8431

Explanatory notes

… 84.26, 84.29 or 84.30 : 8431.41 ‑ ‑ Buckets , shovels, grabs and grips 8431.42 ‑ ‑ Bulldozer or angledozer blades 8431.43 ‑ ‑ … for scrapers, coal ploughs and strippers, etc.        This group also covers bulldozer or angledozer blades intended to …

Section IX > Chapter 44 > Heading 4418

Explanatory notes

… gluing together a number of wood laminations having their grain essentially parallel. Laminations of curved members … up the panel. These panels or tiles may be tongued and grooved at the edges to facilitate assembly. A shingle is … lumber, plywood or Oriented Strand Board ( OSB), to provide greater strength than just sawn timber (heading 44.07). …

Section XVI > Chapter 84 > Heading 8421

Explanatory notes

… separate substances according to their different specific gravities, or which remove the moisture from wet substances. … perforated plate, drum, basket or bowl, etc., revolving at great speed in a stationary collector, usually cylindrical, … concrete tubes) ( heading 84.74 ). (f)    Centrifugal grinding machines ( heading 84.74 ). (g)   Centrifugal spin …

Section II > Chapter 12 > Heading 1209

Explanatory notes

… seeds 1209.23 ‑ ‑ Fescue seeds 1209.24 ‑ ‑ Kentucky blue grass (Poa pratensis L.) seeds 1209.25 ‑ ‑ Rye grass (Lolium multiflorum Lam., Lolium perenne L.) seeds … (d)   Spices and other products of Chapter 9 . (e)   Cereal grains ( Chapter 10 ). (f)    Oil seeds and oleaginous …