Home / Standards / GB/T 22271.2-2021 GB/T 22271.2-2021 Active Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties 塑料 聚甲醛（POM）模塑和挤出材料 第2部分：试样制备和性能测定 Standard Type GBT ICS 83.080.20 CCS G31 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A