Home / Standards / GB/T 45232-2025 GB/T 45232-2025 Active Polypropylene (PP) piping systems for drainage and sewerage inside buildings 建筑排水排污用聚丙烯(PP)管道系统 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2025-01-24 Implementation 2025-08-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A