HDI Elastic type Covesro N3800 ABOUT:  Aliphatic polyisocyanate (flexibilizing HDI trimer).As the hardener component for lightfast polyurethane coating systems. Product Types: HDI PIC Aliphatic polyisocyanate Crosslinkers Polyisocyanate Hardeners Polyisocyanurate Isocyanate Material： Coatings, paints & inks：High functional, Weather resistant, Solventborne, Flexible, Elastic   Technical Properties & Datasheets Characteristics： Property Name Test Method Unit Value Viscosity at 23 °C M014-ISO...