JIS K 7239:1991现行
Determination of free acid in acid anhydride-based hardeners for epoxide resins
出版：Japanese Standards Association
专家解读视频
基本信息
标准编号： JIS K 7239:1991
标准类别：Standard
出版单位：Japanese Standards Association
标准页数：8
标准简介
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.
等同采用的国际标准
ISO 3673-1:1996 - Equivalent
