GB/T 48122-2026Photovoltaic (PV) glass - Test method and performance evaluation of exposure to extremely cold environment (English PDF)

GB/T 48122-2026 is the English-translated version of 光伏玻璃 极寒大气环境自然曝露试验方法及性能评价.

This standard provides a test method and performance evaluation approach for photovoltaic glass exposed to extremely cold atmospheric environments. It relates to natural exposure testing, where samples are left outdoors in harsh climates and then evaluated. The audience includes photovoltaic glass producers, module manufacturers, project developers, test sites and laboratories that need to show how the glass performs in very cold regions.

It is a GB/T document, which means it is recommended and not mandatory, and the China Building Materials Federation is the responsible body. It takes effect on 1 March 2027. Solar installations in cold plateaus and northern regions face conditions that differ from standard laboratory tests, and a published exposure method helps suppliers and buyers compare results. It is a newly issued method for this application and environment.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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