Sistema armonizado

Section VI

PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES

Chapter 38

Miscellaneous chemical products

Heading 3824

Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included.

3824.87

-- Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or perfluorooctane sulphonyl fluoride

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