JIS K 7239:1991
JIS K 7239:1991
Determination of free acid in acid anhydride-based hardeners for epoxide resins
Japanese Standards Association
Determination of free acid in acid anhydride-based hardeners for epoxide resins
Japanese Standards Association
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.
Document Type | Standard |
Status | Current |
Publisher | Japanese Standards Association |