GB/T 39749-2021

Active

Evaluation method and graduation for energy efficiency performance of insulating glass unit

中空玻璃隔热保温性能评价方法及分级

Standard Type

GBT

ICS

81.040

CCS

Q30

Status

现行

Issue Date

2021-03-09

Implementation

2022-02-01

Responsible Dept

中国建筑材料联合会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/Z 2640-2021 Injection vials made of moulded glass GB/Z 12414-2021 Pharmaceutical glass tube GB/T 4870-1985 Sheet glass dimension series GB/T 903-1987 Colourless optical glass GB/T 7962.7-1987 Colourless optical glass test methods--Examination method for extent of stria GB/T 7962.13-1987 Colourless optical glass test methods--Coefficient of thermal conductivity GB/T 9987-1988 Terms of glass container manufacture GB/T 12416.2-1990 Glass--Hydrolytic resistance ofglass grains at 121℃--Test method and classification