This standard specifies the air infiltration, rainwater leakage, wind pressure resistance performance indicators and thermal insulation and sound insulation performance classification of PVC plastic windows. This standard applies to PVC plastic windows for construction. GB 11793.1-1989 PVC plastic windows physical performance classification for buildings GB11793.1-1989 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
GB11793.1—89
Graduation for building physical performances of PVC windows
Issued on November 30, 1989
Implemented on July 1, 1990
Issued by the State Bureau of Technical Supervision
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Graduation for building physical performances of PVC windows
Subject Content and Scope of Application
GB11793.1—89
This standard specifies the performance indicators of air infiltration, rainwater leakage, wind pressure resistance and thermal insulation and sound insulation performance classification of PVC plastic windows. This standard applies to PVC plastic windows for buildings. 2
Referenced standards
GB7106
GB7107
GB7108
GB8484
GB8485
Classification and detection methods of wind pressure resistance performance of building exterior windowsClassification and detection methods of air permeability performance of building exterior windowsClassification and detection methods of rainwater leakage performance of building exterior windowsClassification and detection methods of thermal insulation performance of building exterior windowsClassification and detection methods of airborne sound insulation performance of building exterior windowsBased on the use requirements of different buildings, according to the three performance indicators of wind pressure resistance, air permeability and rainwater leakage, the products are divided into three categories: A, B and C (see Table 1).
3.2 Classification of thermal insulation performance (see Table 2).
3.3 Classification of airborne sound insulation performance (see Table 3). Table 1
(High performance window)
(Medium performance window)
(Low performance window)
Superior product (AI grade)
First-class product (A2 grade)
Qualified product (A: grade)
Superior product (Bl grade)
Second-class product (B2 grade)
Qualified product (Bs grade)
Superior product (Ci grade)
First-class product (C2 grade)
Qualified product (Cs grade)
Engineering construction standard approved by the State Administration of Technical Supervision on November 30, 1989
Wind pressure resistance
Pa ≥
Air permeability
(under 10Pa)m/m·h
Rainwater leakage
1990-07-01 implementation
Engineering construction standard full text information system
Heat transfer coefficient K. bzxZ.net
Heat transfer resistance Ro
Air sound weighted sound insulation
4 Testing methods
1 Wind pressure resistance testing
I (superior product)
The wind pressure resistance testing method shall be in accordance with GB7106. 4.2 Air permeability testing
The air permeability testing method shall be in accordance with GB7107. 4.3 Rainwater leakage testing
Rainwater leakage testing method shall be in accordance with GB7108. 4.4 Thermal insulation testing
The thermal insulation testing method shall be in accordance with GB8484. 5 Test method for airborne sound insulation performance
Test method for airborne sound insulation performance shall be in accordance with GB8485. Additional remarks:
This standard is proposed by the Ministry of Construction of the People's Republic of China. This standard is under the jurisdiction of China Building Standard Design Institute. >3.00
I (first-class product)
This standard was drafted and interpreted by the Institute of Building Physics of China Academy of Building Research. The main drafters of this standard are Guan Weixuan and Gao Xijiu. Engineering Construction Standard Full Text Information System
Ya (qualified product)
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