1220mm*2440mm WPC three-layer building formwork making machine Waterproof, fireproof, anti-corrosion Stable character 1220mm*2440mm ... WPC three-layer building formwork making machineGeneral descriptions 1,Product size: 1220mm*2440mm*(12-15mm) ... L*W*H2,Main Material:PVC resin, processing additives and filling agent A- --PVC, B- --WPVC3 ...