... Plate Extrusion Production Line Has a perfect closed-pore alveolate structure .Its density, water absorption ,coefficient of heat conducing ... and heat insulation in the construction industry , frost resistance of the highway ,railway ,airport ,square and household fitment ... 600,900,1200600,900,1200600,900,1200Length of board ( mm ) 1200,1250,2450,2500 Production capacity (approx.) ( kg/h )320380 ...