Polyamide curing agent DH-115S for steel structure anti-rust Description DH-115S is a polyamide curing agent formulated for steel structure anti-rust and anti-corrosion paints. It delivers reliable metal adhesion, extended working time, and durable chemical and water resistance. Ideal for industrial plants, warehouses, and structural steel frames needing long-term protection. Specifications DH-115S Unit Value Appearance / Amber liquid Color Gardener 9 max A.H.E. W g/eq 200