Home / Standards / GB/T 17821-2025 GB/T 17821-2025 Active Rubber latex—Determination of density between 5℃ and 40℃ 胶乳 5℃至40℃密度的测定 Standard Type GBT ICS 83.040.10 CCS B72 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A