Home / Standards / GB/T 47391.2-2026 GB/T 47391.2-2026 Upcoming Plastics—Unsaturated-polyester powder moulding compounds (UP-PMCs)—Part 2: Preparation of test specimens and determination of properties 塑料 粉状不饱和聚酯模塑料(UP-PMCs) 第2部分:试样制备和性能测定 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