... , anticorrosion ,aging resistance XPS Heat Insulation Foamed Plate Extrusion Production Line Has a perfect closed-pore alveolate structure .Its density, water ... , frost resistance of the highway ,railway ,airport ,square and household fitment .It is the generally acknowledged and the best heat ... 900,1200Length of board ( mm ) 1200,1250,2450,2500 Production capacity (approx.) ( kg/h )320380-500320-400