Home / Standards / GB/T 3780.4-2017 GB/T 3780.4-2017 Active Carbon black—Part 4:Determination of oil absorption number for compressed sample 炭黑 第4部分:压缩试样吸油值的测定 Standard Type GBT ICS 83.040.20 CCS G49 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A