Home / Standards / GB/T 18252 GB/T 18252 Active Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 塑料管道系统 用外推法确定热塑性塑料材料以管材形式的长期静液压强度 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会