Home / Standards / GB/T 11998-1989 GB/T 11998-1989 Abolished Determination of glass transitiontemperature of plastics--Thermomechanical analysis 塑料玻璃化温度测定方法 热机械分析法 Standard Type GBT ICS 83.080 CCS G31 Status 废止 Issue Date 1989-12-25 Implementation 1990-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A