... machine XPS Heat insulation foamed plate extrusion production line has a perfect closed ore alveolate structure.Its density,water absorption,coefficient ... of steam pervasion are all lower than those of other board heat preservation materials and they have the characteristics of strong ... power (kw) 33 52Driving motor power(kw) 55 55Thickness of board (mm) 20,50,30,40,50,60,75,100Width of ...