hdi low viscosity covesro xp2860   characterization :  aliphatic polyisocyanate based on hexamethylene diisocyanate. as the hardener component for lightfast, weather-stable coating systems. form supplied:100 %   characteristic data*: property value unit of measurement method nco content approx. 20.0 % m105-iso 11909 viscosity at 23 °c approx. 500 mpa·s m014-iso 3219/a.3 color value (hazen) ≤...