Harmonized System

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Section VI > Chapter 29 > Heading 2935

Explanatory notes

… 29.35 - Sulphonamides* . 2935.10 - N-Methylperfluorooctane sulphonamide 2935.20 - N-Ethylperfluorooctane … the general formula (R 1 SO 2 NR 2 R 3 ) where R 1 is an organic radical of varying complexity having a carbon atom … and R 3 are either : hydrogen, another atom or an inorganic or organic radical of varying complexity (including double …

Section XVIII > Chapter 91 > Heading 9111

Explanatory notes

… cases and parts thereof. 9111.10 ‑ Cases of precious metal or of metal clad with precious metal 9111.20 ‑ Cases of base … the inner cover protecting the movement (does not exist in ordinary watches). (4) The bezel , the part which holds the …

Section XV > Chapter 81 > Heading 8101

Explanatory notes

… ‑ ‑ Other Tungsten (wolfram) is mainly obtained from the ores wolframite (iron‑manganese tungstate) and scheelite … point. It is brittle, hard and has a high resistance to corrosion. Tungsten is used in filaments for electric light …

Section VIII > Chapter 41 > Heading 4114

Explanatory notes

… leather Chamois leather is tanned and dressed by repeated working of the skins with fish or animal oil, after which … when dyed) and washable character.  It is used largely for gloves, wash-leathers, etc., and the skins of larger …

Section XVIII > Chapter 91 > Heading 9102

Explanatory notes

… ‑ Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility : 9102.11 ‑ ‑ With … with case and movement, of a kind intended to be worn or carried and designed to function in all positions, …

Section VI > Chapter 36 > Heading 3602

Explanatory notes

… of chemical substances the combustion of which produces a more violent reaction than that produced by propellent … Explosives consisting of mixtures based on other organic nitrates or on nitro-compounds , such as …

Section XV > Chapter 79 > Heading 7907

Explanatory notes

… those covered by the preceding headings of this Chapter, or by Note 1 to Section XV, or articles specified or included in Chapter 82 or 83 or more specifically covered elsewhere in the Nomenclature. … mechanical or thermal equipment. (2)   Tubular containers for packing pharmaceutical products, etc. (3)   Cloth, grill …

Section XI > Chapter 53 > Heading 5308

Explanatory notes

… textile fibres . This group covers yarns, whether single or multiple (folded), obtained by spinning the fibres of … However, if they are within the definition of twine, cordage, rope or cables (see Part (I) (B) (2) of the General … classified in heading 56.07 . Yarns of true hemp are used for sewing thread (e.g., in shoe or leather goods …

Section VI > Chapter 28 > Heading 2837

Explanatory notes

… (1)   Sodium cyanide (NaCN). Obtained by the action of coke or hydrocarbon gases and atmospheric nitrogen on sodium … of bitter almonds. When brought to the melting‑point it absorbs oxygen; may also give hydrates. Is presented in … decomposed . Used for plating iron with copper and in organic synthesis. (6)   Zinc cyanide (Zn(CN) 2 ). White …

Section VI > Chapter 28 > Heading 2832

Explanatory notes

… acid (H 2 SO 3 ) (which exists only in aqueous solution and corresponds to the sulphur dioxide of heading 28.11). (B)  … industrial products known as “hydrosulphites” stabilised by organic substances ( heading 28.31 ). (A) SULPHITES This …