Home / Standards / GB/T 41957-2022 GB/T 41957-2022 Active Oil for use in the carbon black products—Fluid catalytic cracking slurry oil in petroleum refining 炭黑原料油 石油炼制催化油浆 Standard Type GBT ICS 83.040.20 CCS G49 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A