Home / Standards / GB/T 42918.1-2023 GB/T 42918.1-2023 Active Plastics—Thermoplastic polyurethanes for moulding and extrusion—Part 1:Designation system and basis for specifications 塑料 模塑和挤出用热塑性聚氨酯 第1部分:命名系统和分类基础 Standard Type GBT ICS 83.080.20 CCS G31 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A