... , fireproof, anti-corrosion Stable character 1220mm*2440mm WPC three-layer building formwork making machineGeneral descriptions 1,Product size: 1220mm*2440mm*(12 ... - --PVC, B- --WPVC3,Extruder: 80/156 Conical Double Screw Extruder , 65/132 Conical Double Screw Extruder4,Cooling water temperature: <15°C Air ...