Other applications Covestro Bayhydur XP 2547 Hydrophilic HDI polyisocyanate Low viscosity High chemical resistance Type Based on Hydrophilic aliphatic polyisocyanate of hexamethylene diisocyanate (HDI) Form of ... 11/1582Covestro Bayhydur XP 2547 Hydrophilic HDI polyisocyanate Low viscosity High chemical resistance