Home / Standards / GB/T 15223-2008 GB/T 15223-2008 Active Plastics - Liquid resins - Determination of density by the pyknometer method 塑料 液体树脂 用比重瓶法测定密度 Standard Type GBT ICS 83.080.01 CCS G31 Status 现行 Issue Date 2008-08-04 Implementation 2009-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A