Polyamide curing agent DH-115S for pipeline and equipment Description DH-115S is a polyamide curing agent formulated for pipeline and equipment coating systems. It offers strong adhesion, long pot life, and reliable chemical and water resistance on metal surfaces. Suitable for process pipelines, storage equipment, and industrial machinery 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