Yellowish transparent liquid low viscosity Epoxy Hardener Resin HWD-140 with long operating time Polyamide Epoxy Resin HWD-140 is a low molecular weight polyamide, which can be used with different epoxy resins, resulting in excellent toughness and adhesion properties of the solids obtained. It is commonly used in marine coatings, anticorrosive primers, medium coatings, coal tar epoxy system coatings, adhesives and repair composites and high-grade coatings. 1.The physical and