Other applications Costron Desmodur XP 2840 Aliphatic Isocyanate HDI-Based Curing Agent Based on Hexamethylene Diisocyanate Costron Desmodur XP 2840 Aliphatic Isocyanate HDI-Based Curing Agent Based on Hexamethylene Diisocya... 11/15224Costron Desmodur XP 2840 Aliphatic Isocyanate HDI-Based Curing Agent Based on Hexamethylene Diisocyanate