Home / Standards / GB/T 26930.5-2011 GB/T 26930.5-2011 Active Carbonaceous materials for the production of primary aluminium - Pitch for electrodes - Part 5:Determination of content of toluene-insoluble material 原铝生产用炭素材料 煤沥青 第5部分:甲苯不溶物含量的测定 Standard Type GBT ICS 71.100.10 CCS Q52 Status 现行 Issue Date 2011-07-19 Implementation 2012-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会