Home / Standards / GB/T 39714.2-2020 GB/T 39714.2-2020 Active Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 2:Preparation of test specimens and determination of properties 塑料 聚四氟乙烯(PTFE)半成品 第2部分:试样制备和性能测定 Standard Type GBT ICS 83.140.01 CCS G31 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A