Mirror glass

Standard mirror glass is manufactured by the chemical deposition onto float glass of a thin film of silver, from aqueous silver and copper salt solutions. The film is then protected with two coats of paint or a plastic layer. A recent development is the production of mirror glass by chemical vapour deposition within the float glass process. Mirror glass is produced by the on-line application of a three-layer coating of silicon-silica-silicon, which acts by optical interference to give the mirror effect. Mirror glass manufactured by this process is less prone to deterioration and may be more easily toughened, laminated or bent than traditional mirror glass.

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