Physical Properties of Soy-Phosphate Polyol-Based Rigid Polyurethane Foams

Table 1

Specifications of polymeric isocyanate PAPI 27 [29].

Properties	Values
Density, g/mL at 25°C	1.23
Average molecular weight	340
Functionality	2.7
NCO content by weight, %	31.4
Viscosity, cps at 25°C	150–220
Acidity, %	0.017
Vapor pressure, mm Hg at 25°C	<10^−5
Decomposition point °C	230