Covestro Bayhydur XP 2655 Hydrophilic HDI polyisocyanate Low viscosity and easy to disperse

Type Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), used as curing agent component of waterborne two-component polyurethane systems Supply Form 100 % Specifications Features Value unit Test method NCO content 20.3 – 21.3 % M105 -ISO 11909 Viscosity,23°C 3,500 ± 1,000 mPa ·s M014 -ISO 3219/A.3 Hazencolor value < 60   <span style=”font-famiary Water-based systems need to have the characteristics of good combination stability and chemical resistance. Although relatively weakly hydrophilic,…