This standard stipulates the material, product classification, technical requirements, test methods, inspection rules and signs of the core layer foam composite pipe (hereinafter referred to as the pipe) formed by composite co-extrusion with polyvinyl chloride resin as the main raw material and adding necessary additives. , transportation, storage. This standard is applicable to pipes for internal and external buildings or buried drainage. After considering the chemical resistance and temperature resistance of the material, it can also be used for industrial sewage pipes.
GB/T 16800-1997 history
2008GB/T 16800-2008 Unplasticized polyvinyl chloride (PVC-U)pipes with a cellular core for drainage
1997GB/T 16800-1997 Unplasticized polyvinyl chloride (PVC-U) pipes with a cellular core for drainage and sewerage systems