中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 40238-2021
Reaction to fire tests for building materials and products—General rules for selection of substrates,conditioning and mounting of specimen 建筑材料及制品燃烧试验 基材选取、试样状态调节和安装要求
Issued Date:2021/5/21
Implemented Date:2021/12/1
Issued by:
The Standardization Administration of the People's Republic of China