The main function of gas-phase silica powder in fire-resistant glass is to utilize its low specific surface area, low viscosity, and high purity to manufacture and process highly filled and highly dispersed nano silicon fire-resistant liquids.

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The tetrahedral structure of nano silica, with individual particles presenting a porous and tunnel like structure, endows nano silica fire-resistant glass with excellent fire resistance properties;

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At the same time, due to the small primary particle size of gas-phase silica (7-300nm), it can filter and reflect ultraviolet radiation in the 280-400nm wavelength range, greatly reducing the degradation effect of ultraviolet radiation on the fire-resistant adhesive layer in composite fire-resistant glass.

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So as to delay the yellowing, discoloration, aging and other problems caused by sunlight radiation on fire-resistant glass.