Home / Standards / GB/T 21874-2008 GB/T 21874-2008 Active Elastomeric seals - Requirements for materials for pipe joint seals used in water and drainage applications - Thermoplastic elastomers 弹性体密封件 排水管道接口密封件材料要求 热塑性弹性体 Standard Type GBT ICS 83.140.50;91.140.60;91.140.80 CCS G43 Status 现行 Issue Date 2008-05-14 Implementation 2008-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit 中国石油和化学工业联合会