PVC/WPC Foamed Board Extrusion Line PVC WPC Surface Crust Foamed Board Production Line/PVC WPC Plastic Building Templates Board Machine Product size: width: 1220mm/thickness: 3-30mm Main Material: PVC Compounding , processing additives and filling agent Extruder: SJSZ80/156 conical double screw extruder Output: 300-400kg/hour Cooling water temperature: <15℃ ; Air pressure: > 0.6Mpa Power supply: 3P/380V/50HZ or customized Adopt the latest foam technology , and special design the screw & extrusion mould , it ensure the high efficiency foam , quickly calibration , it make the foam board surface more shine & hard than the traditional normal technology . The complete production line consist of conical twin screw extruder , extrusion mould , vacuum calibration mould , roller hauling off machine , automatic cutter.…