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No. 86 Renmin Road, Qiqi Industrial Park, Xu Xiake Town, Jiangyin, Jiangsu Province, China
Whether photovoltaic glass belongs to flat glass
Sep 30,2022
Photovoltaic glass is a kind of flat glass, I think so. Photovoltaic glass belongs to soda lime silicate glass. The difference between it and ordinary flat glass is that the requirements for transmissivity are much higher. In the production process, the content of iron, the main coloring element, should be very low. There are certain requirements for glass defects. There are also requirements for the embossing roller required for glass forming. These measures are to improve the transmissivity of glass. The rest of the glass composition is basically within the range of flat glass composition. It can be said that photovoltaic glass is a higher level glass variety in flat glass! The reason why photovoltaic glass has developed so rapidly in recent years is mainly because it can be produced by improving the flat glass. The technical requirements for photovoltaic glass production are not high, which leads to this result.
What are the standards for solar photovoltaic glass? What are the materials for making glass
Standard for photovoltaic glass: tempered or untempered embossed glass and float glass can be used for solar photovoltaic glass. The iron content shall not be greater than 0.015%, the visible light transmittance shall be greater than or equal to 91.5%, and the direct sunlight transmittance shall be greater than or equal to 91.0%. The material of solar photovoltaic glass is quartz, which is abundant in the earth. In fact, sand is also quartz, but the quartz used to make solar photovoltaic glass must be of high purity. Raw materials for glass production: raw materials used in the production of photovoltaic glass raw sheets include quartz sand, soda ash, feldspar, dolomite, limestone, mirabilite, etc. Among them, quartz sand and soda ash are the main components in the material input, that is to say, the quality of both determines the quality of photovoltaic glass; As for limestone, dolomite and mirabilite, the requirements are not as high as those of quartz sand and soda ash.
Notice of the National Development and Reform Commission on the Price Policy of Photovoltaic Power Generation Projects in 2018
May 11,2018
Development and Reform Commission, Price Bureau, Energy Bureau, Poverty Alleviation Office of all provinces, autonomous regions and municipalities directly under the Central Government, State Grid Corporation of China, China Southern Power Grid Corporation and Inner Mongolia Electric Power Corporation:
How to eliminate the influence of static electricity in photovoltaic glass packaging on the peeling of backing paper
Photovoltaic glass is large and easy to break, so it should be well protected during transportation. As a kind of spacer between glass and glass, the mould proof lining paper can not only prevent glass from being scratched during transportation, but also extend the storage time of glass. The lining paper supplier shall cut different sizes according to the specifications of glass in advance. During the packaging process, the lining paper and glass shall be put into the packaging box by hand alternately. With the vigorous promotion of "Industry 4.0 helps to achieve Made in China 2025", it is a general trend to replace labor with stable machinery and equipment. However, while paper laying by machines brings convenience, static charges will be brought into the packaging due to friction between the paper liners and the technological characteristics of the equipment during the working process of the paper spreader. During the use of component enterprises, the paper liner and glass cannot be separated quickly. See Figure 1. Additional manual pulling is required, The production efficiency will be affected, and production will be stopped in serious cases. The customer complains strongly. It is urgent to solve this problem quickly.
Factors Affecting Impact Resistance of Photovoltaic Glass
As an important part of photovoltaic modules, photovoltaic glass is connected with the cell sheet and backplane through ethylene vinyl acetate copolymer (EVA) to protect the cell sheet. With the development and intensified competition of the photovoltaic industry, the requirements for modules are becoming higher and higher. While focusing on the light transmittance of photovoltaic glass, more and more module manufacturers attach importance to the impact resistance test.
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