TYRPH521 Epoxy Curing Accelerant is mainly used in curing reaction of acid anhydride system. It has the ability to speed up the reaction at high temperature and shorten the curing time. The product has been widely used in epoxy resin rubber powder mica with epoxy pouring system (high voltage switch insulation,dry transformer, mutual inductor, etc.) acid anhydride curing epoxy system (modified) solvent impregnated paint and other industries.