DH-7003 / PHENALKAMINE HARDENER / 200 KG DRUM Phenalkamine Hardener DH-7003 7003 modified phenalkamine, solvent-free curing agent intended for use as a low-temperature curing agent for liquid epoxy resin. It provides rapid curing under adverse conditions of high humidity and low temperature, together with yellowing resistance and excellent performance under high-humidity conditions. 1. Technical Data PROPERTY UNIT VALUE Appearance / Orange liquid Amine number mg KOH/g 340-380