Home / Standards / GB/T 28601-2012 GB/T 28601-2012 Active Rubber compounding ingredients - Silica,precipitated,hydrated - Determination of gelatin content 橡胶配合剂 沉淀水合二氧化硅 凝胶含量的测定 Standard Type GBT ICS 83.040.20 CCS G49 Status 现行 Issue Date 2012-06-29 Implementation 2012-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A