YS/T 1881-2026Pseudoboehmite (English PDF)

YS/T 1881-2026 is the English-translated version of 拟薄水铝石.

YS/T 1881-2026 covers pseudoboehmite. It specifies the product classification and grade naming rules, technical requirements, test methods, inspection rules, marking, packaging, transport, storage and accompanying documents, and the contents of the order form. It applies to pseudoboehmite made by the industrial sodium aluminate solution carbonation method, the aluminium salt neutralisation method and the aluminium alkoxide hydrolysis method.

Producers of pseudoboehmite, the manufacturers that buy it for further processing, test laboratories and purchasers can use it to name grades, specify the product, check deliveries and prepare orders. It is a voluntary standard (code with /T). It was approved and issued by the Ministry of Industry and Information Technology on 15 July 2026 and takes effect on 1 February 2027. The translation gives overseas buyers the same grade naming rules and order content used in China.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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