The PVC drainage pipe is made of sanitary grade polyvinyl chloride (PVC) resin as the main raw material, and the appropriate amount of stabilizers, lubricants, fillers, and colorants are added through plastic extruder extrusion molding and injection molding machine injection molding. After cooling, Curing, shaping, inspection, packaging and other processes to complete the production of pipes and fittings.
The general specifications of commonly used PVC drainage pipes are as follows: The nominal outer diameters are: 32mm, 40mm, 50mm, 75mm, 90mm, 110mm, 125mm, 160mm, 180, 200mm, 250mm, 315mm, 400mm, 500mm, 630mm and other PVC-U pipes. The length is generally 4m or 6m, and the other lengths are determined through consultation between the supply and demand sides.
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