Excellent chemical resistance and solvent resistance epoxy hardener resin HWD-140G Polyamide Epoxy Resin HWD-140G is a reactive polyamide with medium and low viscosity. show good resistance against aliphatic hydrocarbons, lubricants, alkaline solutions and diluted acids: good to fair resistance against atmospheric agents and water. It can be used in conjunction with different epoxy resins. The cured product has good leveling, toughness, chemical resistance, and has excellent