PVC pipe (divided into PVC-U pipe, PVC-M pipe and PVC-O pipe) hard polyvinyl chloride pipe, is made of PVC resin with stabilizer, lubricant and other hot pressing extrusion molding, is the first to be developed and applied plastic pipe.

PVC-U pipe has strong corrosion resistance, easy bonding, low price and hard texture, but due to the seepage of PVC-U monomer and additives, it is only suitable for the water supply system where the transport temperature does not exceed 45 ° C. Plastic pipes are used for applications in drainage, wastewater, chemicals, heating fluids and coolants, food, ultra-pure liquids, mud, gases, compressed air and vacuum systems.

Pvc-o pipe, Chinese name biaxial oriented polyvinyl chloride, is the latest form of evolution of PVC pipe, through the special orientation processing process to manufacture the pipe, the PVC-U pipe produced by extrusion method for axial stretching and radial stretching, so that the PVC long chain molecules in the pipe in the biaxial arrangement, A new PVC pipe with high strength, high toughness, high impact resistance and fatigue resistance was obtained.