Polyamide curing agent DH-115S for industrial floor concrete Description DH-115S is a polyamide epoxy hardener suited for industrial floor and concrete coating systems. It provides good substrate wetting, long pot life, and durable chemical and abrasion resistance. Recommended for factories, workshops, and concrete surfaces under heavy traffic. 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