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All Active Abolish Replaced Incoming Convert to industry standard
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GB/T 13477.21-2022 《Test method for building sealants—Part 21:Determination of color change after laboratory accelerated weathering procedures》 Related products

This standard specifies the determination method of Color change of architectural sealants after artificially accelerated climate aging, including terms and definitions, test conditions, specimen preparation, Color measurement and color difference calculation, discoloration grade division, etc. The standard is suitable for evaluating Color change of sealants during aging, and provides a technical basis for durability and Appearance quality control of architectural sealing materials.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
Status Active
CCS Q24
ICS 91.100.50
Release Date 2022-07-11 00:00:00
Implementation Date 2023-02-01 00:00:00
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