China 'GB/T 43891-2024
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 43891-2024
Non-metallic chemical equipment - Test method for heat transfer coefficient and flow resistance performance of impermeable graphite heat exchangers 非金属化工设备-不透性石墨换热器传热系数和流阻性能测试方法
Issued Date:2024.4.25
Implemented Date:2024.11.1
Issued by:
The Standardization Administration of the People's Republic of China