used for heat preservation, and insulation in the construction industry, frost resistance of the highway, railway, airport, XPS Foam Board Extrusion LineProducts: Foam insulation boardMaterial: PS Blowing agent: Freon, F12/F22Thickness: 20 - 100mmWidth range: 600, 900, 1200mm Density: 30 - 35 kg/M3Edge profile: Ship lap, Tongue and Groove Surface profile: RC grooving; Overlapping and SS flush ...