... light in color Speical hardener for Antisepsis, ship dope,adhesive ZY-F50 cashew oil epoxy hardener molecule special structure could have ... , anti-corrosion, wide proportion, low composite cost etc. 1. Characteristic: ZY-F50 is a kind of special epoxy hardener, which could ... 60--100Ratio, bisphnol A EEW=190100:50 3. main application:ZY-F50 epoxy hardener owns nice physical and chemical features, widely ...