grey Thermoforming rigid polyethylene sheet 20mm Grey rigid PVC Board - China Suzhou Ocan Polymer Material Product Name 20mm grey rigid pvc sheet Material PVC lor Opaque or Transparent in Any lor Thickness Tolerance According to GB(higher than GB) Density 1.3-1.50 Impact strength(cut)(four-way)KJ/M2 ≥5.0 Tensile-Strength(lengthwise,crosswise