... industry, frost resistance of the highway, railway, airport, XPS Foam Board Extrusion LineProducts: Foam insulation boardMaterial: PS Blowing agent: Freon, F12/F22Thickness ... , 900, 1200mm Density: 30 - 35 kg/M3Edge profile: Ship lap, Tongue and Groove Surface profile: RC grooving; Overlapping and SS flush joint ...