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Classification and testing method of airtight performance of building exterior windows

Classification and testing method of airtight performance of building exterior windows, Total:3 items.

In the international standard classification, Classification and testing method of airtight performance of building exterior windows involves: Elements of buildings.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Classification and testing method of airtight performance of building exterior windows

• GB/T 7107-2002 Graduation and test method for air permeability performance of windows
• GB/T 7106-2008 Graduations and test methods of air permeability,watertightness,wind load resistance performance for building external windows and doors
• GB/T 7108-2002 Graduation and test method for watertightness performance of windows

Others:   Classification and testing method of airtight performance of building exterior windows.