Polyamide curing agent DH-115S for roof building waterproof coating Description DH-115S is a polyamide curing agent for roof and building waterproof coating systems. It offers strong adhesion, long pot life, and dependable water resistance on building substrates. Suitable for roof decks, balconies, and concrete building surfaces requiring protection. 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