Home / Standards / GB/T 15047-2025 GB/T 15047-2025 Active Test method for stiffness properties in torsion of plastics 塑料扭转刚性试验方法 Standard Type GBT ICS 83.080.01 CCS G 32 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A