The rigid polyvinyl chloride (UPVC) solid-wall protective conduit features a smooth inner wall, low surface resistance, excellent electrical performance, strong chemical corrosion resistance, good flame retardancy and self-extinguishing properties, light weight, easy to be flared and easily to be bonded. The rigid polyvinyl chloride solid-wall protective conduit also has the advantages of convenient installation, low labor intensity, fast project progress and low comprehensive cost. It is widely used in fields such as postal and telecommunications, chemical sewage discharge and agricultural irrigation.
