GB/T 13477.21-2022

Active

Test method for building sealants—Part 21：Determination of color change after laboratory accelerated weathering procedures

建筑密封材料试验方法 第21部分：人工加速气候老化后颜色变化的测定

Standard Type
GBT
ICS
91.100.50
CCS
Q24
Status
现行
Issue Date
2022-07-11
Implementation
2023-02-01
Responsible Dept
中国建筑材料联合会
Drafting Unit
N/A