1. Optical coating method materials
(1) magnesium fluoride: colorless tetragonal crystal powder with high purity. Optical coating made of it can improve the transmittance and prevent breakage.
(2) silicon dioxide: colorless transparent crystal, high melting point, high hardness, good chemical stability. High purity, high quality Si02 coating can be prepared with it, good evaporation state, no collapse. According to the requirements of use for ultraviolet, infrared and visible light.
(3) zirconia: white heavy crystal, with high refractive index and high temperature resistance, stable chemical properties, high purity, using it to prepare high-quality zirconia coating, no breaking point.
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