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JIS K 7239:1991

M00065742

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JIS K 7239:1991

Determination of free acid in acid anhydride-based hardeners for epoxide resins

Japanese Standards Association

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Abstract

This Japanese Industrial Standard specifies determination of trace free acid in acid anhydride-based hardeners for epoxide resins. However, this is not applicable to acid anhydride-based hardeners containing one or more carboxylic acid groups in a molecule.

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Document Type Standard
Status Current
Publisher Japanese Standards Association