GB/T 39749-2021: Evaluation method and graduation for energy efficiency performance of insulating glass unit

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Scope

This Standard specifies the terms and definitions, evaluation methods and
gradation for energy efficiency performance of insulating glass unit.
This Standard applies to single-cavity insulating glass unit, multi-cavity
insulating glass unit, and vacuum composite insulating glass unit for
construction.

Basic Data

Standard ID	GB/T 39749-2021 (GB/T39749-2021)
Description (Translated English)	Evaluation method and graduation for energy efficiency performance of insulating glass unit
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q30
Word Count Estimation	6,693
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration