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Recently, the Zunyi Market Supervision and Administration Bureau announced the results of the quality supervision and inspection of plastic pipes and fittings in 201 , Recycled plastic pipes for building drainage, polypropylene (PP-R) pipes for cold water and other products are subject to spot chec.
This time according to GB/T13662-2018 "Polyethylene (PE) Pipeline System for Water Supply Part 2: Pipe", GB/T5831-2006 "Rigid Polyvinyl Chloride (PVC-U) Pipe for Building Drainage", GB/T18742-2017 "Polypropylene piping systems for hot and cold water - Part 2: Pipes" and other standards respectively specify the specifications and dimensions of plastic pipe fittings - average outer diameter, specifications - wall thickness tolerance, longitudinal shrinkage rate, fracture Elongation, color, odor and taste, turbidity, evaporation residue, potassium permanganate consumption (as O_(2)), lead (Pb), cadmium (Cd) and other indicators were test.