High A.H.E.W modified aliphatic amine epoxy curing agent 1619 for Epoxy motar Epoxy flooring topcoat Epoxy hardener 1619 Product features (1) It is fatty amine modified epoxy curing agent, with excellent moisture resistance and stability. (2) The product has low viscosity, good leveling, high transparency, good gloss, high adhesion and good adhesion. (3) Good color, long operation time, good toughness, low temperature or wet weather surface does not absorb moisture. (4) The