Harmonized System

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Section VII > Chapter 39 > Heading 3905

Explanatory notes

… aqueous dispersion 3905.29 - - Other 3905.30 - Poly(vinyl alcohol), whether or not containing unhydrolysed acetate … acetate) are used, e.g., as adhesives. Poly(vinyl alcohol) is usually prepared by the hydrolysis of poly(vinyl acetate). Poly(vinyl alcohol) is available in a number of grades depending upon …

Section VI > Chapter 29 > Heading 2919

Explanatory notes

… These compounds are usually formed by the reaction of an alcohol or phenol with inorganic acids of non-metals. They have the general formula (ROX) in which R is an alcoholic or phenolic radical and X is the residue of the … of these esters are used in medicine as tonics, e.g. : (a)  Calcium glycerophosphate. (b) Iron glycerophosphate. (c)  …

Section VI > Chapter 28 > Heading 2830

Section III > Chapter 15 > Heading 1505

Explanatory notes

… which retains the essential character of lanolin, and wool alcohols (also known as lanolin alcohols ‑ mixtures of cholesterol, isocholesterol and other …

Section V > Chapter 25 > Heading 2523

Explanatory notes

… (ground blast furnace slag mixed with an accelerator and calcined gypsum), pozzolana cement, Roman cement, etc., and … clinker with the possible addition of a small quantity of calcium sulphate. It is to be noted : ‑    that Portland … is a product of subheading 2523.10 consisting mostly of calcium silicates which is obtained by heating to partial …

Section VI > Chapter 28 > Heading 2821

Explanatory notes

… oxides, containing 70 % or more by weight of combined iron calculated as Fe 2 O 3 , fall in this heading. For the … oxide). Used as a pigment (iron minium, jewellers’ rouge or colcothar), either in the pure state (in which case it is classified in this heading), or mixed with clay, calcium sulphate (Venetian red), etc. (it then falls in …

Section IV > Chapter 17 > Heading 1702

Explanatory notes

… 99 % or more lactose, expressed as anhydrous lactose, calculated on the dry matter 1702.19 ‑ ‑ Other 1702.20 ‑ … more than 95 % lactose, expressed as anhydrous lactose, calculated on the dry matter. For the purposes of calculating the percentage weight of lactose in a product …

Section VI > Chapter 28 > Heading 2840

Explanatory notes

… of solutions of natural borates, or by treating natural calcium borates or boric acid with sodium carbonate. … capacitors and in the coating of paper. (3)   Precipitated calcium borates . Obtained by treating natural borates with calcium chloride; white powder used in fire retardant …

Section VI > Chapter 34 > Heading 3402

Explanatory notes

… resin acids; sulphates and sulphonates derived from fatty alcohols; petroleum sulphonates, e.g., of alkali metals … from the manufacturing process, small quantities of fatty alcohols, alkylates or other hydrophobic raw materials which … Examples are : products of the condensation of fatty alcohols, fatty acids or alkylphenols with ethylene oxide; …

Section VI > Chapter 38 > Heading 3811

Explanatory notes

… (c)   Anti‑icing preparations . Products often based on alcohols (e.g., propan‑2‑ol (or isopropyl alcohol)), which … the same purposes as mineral oils are : (a)  Fuels based on alcohols (e.g., gasohol); and (b) Synthetic lubricants : …