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online coating glass

Online means using SCA-Billerud process to make coating glass in the production line, SCA Billerud process can be divided into thermal spraying and chemical vapor deposition(CVD),nowadays CVD is mostly used.The tin bath or the front end of the annealing furnace is where the coating conducted with a temperature between 400-700.  Normally the surface of the hot float glass must be double coated with dielectric film and function film.To do so is for lower radiation and interference rainbow free.In order to make the coating uniform, the temperature difference of the glass panel and reaction air flow must be strictly controlled, under this circumstances, we can produce high quality and low radiation coating glass.