SDM Pipe Industries offers Unplasticized Polyvinyl Chloride Pipe of 20mm Outer Diameter. SDM Pipe Industries is an ISO 9001:2000 certified company. SDM Pipe Industries supplies PVC conduit pipes, bends and compounds. Unplasticized Polyvinyl Chloride Pipe of 20mm Outer Diameter is available in light, medium and heavy quality. The wall thickness of Unplasticized Polyvinyl Chloride Pipe of 20mm Outer Diameter is available in the sizes of 1.3mm, 1.5mm and 2.1mm. These pipes are made from pure PVC [Poly Vinyl Chloride] resin.