Polyamide curing agent DH-115S for marine anti-fouling paint Description DH-115S is a polyamide curing agent compatible with marine anti-fouling paint systems. It offers strong adhesion, long pot life, and dependable water resistance on immersed hull surfaces. Ideal for anti-fouling primer and intermediate coats on ships and underwater structures. 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