Home / Standards / GB/T 47391.1-2026 GB/T 47391.1-2026 Upcoming Plastics—Unsaturated-polyester powder moulding compounds (UP-PMCs)—Part 1: Designation system and basis for specifications 塑料 粉状不饱和聚酯模塑料(UP-PMCs) 第1部分:命名系统和分类基础 Standard Type GBT ICS 83.080.01 CCS G31 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A