Home / Standards / GB/T 21871-2025 GB/T 21871-2025 Active Rubber compounding ingredients—abbreviated terms 橡胶配合剂 缩略语 Standard Type GBT ICS 83.040.20 CCS G 70 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A