Brief introduction to the process plan of tempering double silver low-emission coated glass!

[China Glass Network] 1. Process: original glass → inspection → deionized water cleaning → sputter coating → inspection → packaging, delivery; sent to the factory near the construction site (or in the local factory) → inspection → automatic cutting → Edge grinding, cleaning → inspection → tempering → inspection → hollow processing → inspection → packaging, sent to the construction site. 2. Membrane system formulation: The tempered double silver low-emission coating glass must ensure the stable performance of the coated glass itself, the film quality is good, and the original performance can be maintained after the low-radiation coating glass tempering. The film is stable in heating and can withstand a tempering process of 700 °C. The bare layer and the barrier layer are arranged to prevent the sodium ions on the surface of the glass from diffusing to the film layer, and the adhesion of the film layer is strong, and the silver layer must have a good barrier layer on both sides to prevent oxidation of the silver layer. The top film must have sufficient hardness and strong chemical and mechanical properties to further protect the film from mechanical damage and chemical damage. 3. Membrane characteristics: The plated (top layer) film is Si3N4 film, the microstructure is Si-O bond, and the microscopic chemical structure of the glass surface is Si-OH bond. The microstructure of the two is basically the same, compatibility. Good, tight combination and strong adhesion.

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