... /10min3030soften point(before solidifying)°C5858Densityg/cm30.960.96specific heatJ/°C,g2.302.30tensile strengthkg/cm2260260Extensibility%420420Lucifuging rate(after solidifying ... .0water absorption ratio(20°C,24h)%< 0.01less than 0.01shrinkage ratio(test before solidifying,120°C,3min)%<3.0<3. ... 0total degree of cross linking(120°C,15min and ...