Home / Standards / GB/T 40409-2021 GB/T 40409-2021 Active Flame retardant chemical—Tetrabromophthalate diol 阻燃化学品 四溴苯酐二醇 Standard Type GBT ICS 71.100.40 CCS G71 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A