... board making machine 1.1220* 2440 2.double side skinning 3.foaming board 4.turnkey service, low price PVC foam board making machinePVC ... , tensile strength, 12-20MPa, bending strength, 12-18MPa, elastic modulus in bending, 800-900MPa, impact strength, 8-15KJ/m2, inspect item ... -extinguishing period is less than 5 seconds. ///// / PVC foam board making machine