Home / Standards / GB/T 26930.7-2014 GB/T 26930.7-2014 Active Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 7：Determination of softening point(Mettler softening point method) 原铝生产用炭素材料 煤沥青 第7部分：软化点的测定（Mettler法） Standard Type GBT ICS 71.100.10 CCS Q52 Status 现行 Issue Date 2014-07-24 Implementation 2015-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A