... , much easier for installation, especially Material: polyurethane foam Characterics: water proof, fireproof, easy to install, light in weightPU Moulding:Material ... : polyurethane foamCharacterics: water proof, fireproof, easy to install, light in weight Widely for ... 88Dimensional stability(-30°C~100°C/96h)≤1.5GB8811-88 solar energy water heater(pu)