Table 1: Specifications of polymeric isocyanate PAPI 27 [29].

PropertiesValues

Density, g/mL at 25°C1.23
Average molecular weight340
Functionality2.7
NCO content by weight, %31.4
Viscosity, cps at 25°C150–220
Acidity, %0.017
Vapor pressure, mm Hg at 25°C<10−5
Decomposition point °C230