product introduction aliphatic polyisocyanate (hdi uretdione); used as a curing agent component for weather-resistant polyurethane coating systems specifications features value measurement unit method ncocontent 21.8 ± 0.7 % m105 -iso 11909 viscosity,23°c 175 ± 75 mpa ·s m014 -iso 3219/a.3 color value(hazen) ≤ 80 m017 -en1557 <spa°c about 1.14 g/ml din en iso 2811 *this data is general information and is not...