Home / Standards / GB/T 32678-2016 GB/T 32678-2016 Active Rubber compounding ingredients—Highly dispersible silica,precipitated,hydrated 橡胶配合剂 高分散沉淀水合二氧化硅 Standard Type GBT ICS 83.040.20 CCS G49 Status 现行 Issue Date 2016-06-14 Implementation 2017-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A