Polyamide curing agent DH-115 Description DH-115 is a polyamide hardener formulated for secondary containment lining and tank coating systems. Its chemical resistant formula provides reliable barrier protection for storage tank interiors and containment areas exposed to potentially corrosive materials. Specifications Property Value Appearance Amber liquid Color (Gardner) 9 max AHEW (g/eq) 200 Amine Value (mgKOH/g) 180-220 Viscosity @40℃ (cps) 11,000-30,000 Solid Content (%)