Harmonized System

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Section XIII > Chapter 69

Explanatory notes

… main stages : (i)    Preparation of the paste ( or body ). In some cases (e.g., manufacture of sintered alumina … products are also very often coloured (either in the body or superficially), decorated or glazed by using, as …

Section V > Chapter 25 > Heading 2530

Explanatory notes

… are brown or dark brown. (4)   Black earths and natural vandyke brown (Cassel and Cologne earths). Soluble vandyke brown is a prepared pigment which falls in heading …

Section VI > Chapter 28 > Heading 2830

Explanatory notes

… soluble in water. Used as a de‑hairing agent in tanning, in dyeing, as a copper absorbent in nickel refining, as a … reducing agent in organic synthesis (preparation of sulphur dyes); in flotation processes; in the preparation of …

Section XVI > Chapter 84 > Heading 8419

Explanatory notes

… of wood. (13)         Vats, etc., for the preparation of dyes. (14)         Autoclaves for vulcanising rubber. …

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