It is reacted from the phenolic resin modified ethylene diamine, according to customeraas different requirements, we add differe ... heavy hardness, good surface solvent resistance, good scrub resistanceCuring fast, high bonding strength and low priceApplication Adhesive, sealants, paint, antiseptic, casting ... 20-30HJT-31D460±20≥200 20-35 epoxy resin curing agent for adhesive