Introduction to SPF certification of the hottest p

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Introduction to SPF certification of photovoltaic glass

solar glass is mostly low carbon glass and ultra white glass at present. Ultra white glass is a kind of ultra transparent low iron glass, also known as low iron glass and high transparent glass. It is a new type of high-grade glass with high quality and multi-function. Its light transmittance can reach more than 91.5%. It has the characteristics of crystal clear, high-grade and elegant. Ultra white glass has superior physical, mechanical and optical properties at the same time. Because of its good light transmittance, it is applied to some scientific and technological products, such as the glass substrate used as solar energy. With the promotion of China's innovation strategy, the photovoltaic system has held three working meetings before and after the photovoltaic power generation

Swiss solar water heater product testing center SPF is a professional institution for research and development of solar energy technology. On the one hand, it participates in technology transfer to the research and development center, on the other hand, it promotes trade and industry. SPF has become a connector for consumers, investors, educational institutions, manufacturers and installation retailers. Products must pass all tests before they can use this mark. Therefore, products with SPF quality mark are considered to have extremely excellent quality

this institution is the only product testing laboratory in Switzerland authorized by the state to issue notarial data to the society. Because of this, the testing results provided by it are mutually recognized among EU Member States. SPF enjoys a high reputation among the solar water heater product testing institutions recognized by the European Union

the SPF test of solar glass is divided into three parts:

1 Measurement of light transmittance and incident angle correction coefficient

2. Ultraviolet irradiation for 250 hours

3. The transmittance and the correction coefficient of incident angle are measured again

if the above tests meet the requirements, the grade (four grades in total) will be determined according to the tested glass efficiency value, and the SPF certificate will be issued. In addition to providing electronic certificates and paper certificates in PDF format, SPF will also publish them on its website. The certificate is valid for 3 years

the SPF test standard of solar glass adopts en and en. At present, it is mainly used in the fields of automotive, aircraft and wind power blades, etc. China glass () Department

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