Polyamide curing agent DH-115S for waterborne epoxy coating Description DH-115S is a polyamide curing agent applicable to waterborne epoxy coating systems. It offers good compatibility, long pot life, and dependable water and chemical resistance after cure. Recommended for environmentally friendly protective coatings on metal and concrete. Specifications DH-115S Unit Value Appearance / Amber liquid Color Gardener 9 max A.H.E. W g/eq 200 Amine value mgKOH/g 180-220 Viscosity