2023 Guangzhou plastic pipes and fittings product quality supervision and spot inspection results


Release time:

2024-04-28

In the second quarter of 2023, the Guangzhou Municipal Administration for Market Regulation conducted supervision and random inspections on the quality of plastic pipes and pipe fittings. A total of 25 batches of samples were randomly inspected. After inspection, 1 batch did not meet the standard requirements. There is another batch of products that do not meet the standard requirements. Due to the announcement delivery period, the specific situation will be postponed.

In the second quarter of 2023, the Guangzhou Municipal Administration for Market Regulation conducted supervision and random inspections on the quality of plastic pipes and pipe fittings. A total of 25 batches of samples were randomly inspected. After inspection, 1 batch did not meet the standard requirements. There is another batch of products that do not meet the standard requirements. Due to the announcement delivery period, the specific situation will be postponed.

This random inspection is based on GB/T 10002.1-2006 "Rigid polyvinyl chloride (PVC-U) pipes for water supply", GB/T 5836.1-2018 "Rigid polyvinyl chloride (PVC-U) pipes for building drainage", GB/T 5836.2-2018 "Rigid polyvinyl chloride (PVC-U) pipe fittings for building drainage", GB/T 18742.2-2017 "Polypropylene piping systems for hot and cold water Part 2: Pipes", GB/T 13663.2-2018 "For water supply" Polyethylene (PE) piping system Part 2: Pipes", JG/T 3050-1998 "Insulated electrical casing and accessories for construction", QB/T 3631-1999 "Polyvinyl chloride plastic corrugated wire conduit", YD/T 841.2-2016 "Plastic pipes for underground communication pipes Part 2: solid wall pipes", Q/KJD 1-2021 "Rigid polyvinyl chloride (PVC-U) pipes for short-term drainage", Q/KJD 5-2022 "Construction use Insulated Electrical Casings", Q/HZ 1-2019 "Rigid Polyvinyl Chloride (PVC-U) Pipes for Short-term Drainage", Q/YGT 1-2018 "Rigid Polyvinyl Chloride (PVC-U) Pipes for Temporary Drainage and Sewage" , the 25 batches of plastic pipes and fittings were randomly inspected for opacity, density, Vicat softening temperature, longitudinal shrinkage, methylene chloride immersion test, drop weight impact test, hydraulic test (20°C, 1h), hydraulic pressure Test (20℃, 100h), lead limit, tensile yield stress, elongation at break, simply supported beam impact test, ash content, melting temperature, oxidation induction time, hydrostatic pressure test, hygienic requirements (vinyl chloride monomer content, lead , zinc, evaporation residue, potassium permanganate consumption), compressive properties, impact properties, bending properties, bending and flattening properties, drop properties, heat resistance, flame retardant properties, electrical properties, flatness test, withstand voltage, ring stiffness , recovery rate and other items are inspected.