application desmodur xp 2840 aliphatic isocyanate hdi based curing agent based on hexamethylene diisocyanate features aliphatic isocyanate based on hexamethylene diisocyanate as curing agent component for ligh... 11/20342Covestro Desmodur XP 2840 Aliphatic isocyanate HDI based curing agent based on hexamethylene diisocyanate