This standard specifies the product definition, symbols and abbreviations, classification, marking, pipe structure and connection methods, basic requirements, technical requirements, Test methods, inspection rules and markings, transportation, storage, quality commitment. This standard applies to PVC-O environmentally friendly pipes for power protection that use polyvinyl chloride resin as the main raw material, add necessary additives, and are mixed, extruded, and biaxially stretched.
T/ZZB 1571-2020 history
2020T/ZZB 1571-2020 Biaxial oriented environmentally-friendly poly(vinyl chloride) (PVC-O) pipe for power cable protection