GB/T 9989-1988Vitreous and porcelain enamels--Determination of resistance to citric acid at room temperature (English PDF)

GB/T 9989-1988 is the English-translated version of 搪瓷耐室温柠檬酸性能测试方法.

GB/T 9989-1988 is the Chinese national standard "Vitreous and porcelain enamels--Determination of resistance to citric acid at room temperature". It was issued on December 10, 1988 by the State Bureau of Technical Supervision, and took effect on July 1, 1989. It is obsolete: it has been replaced by GB/T 9989-2005.

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

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