Quartz, as mirror glass

Quartz, as mirror glass 1.Factory production of quartz endoscopic executed JC-180-81 standard, the main properties are as follows: Quartz glass simple solution: vitreous quartz glass melt from silica (Si02) single component material. Because it has a unique series of excellent performance, and "glass king" reputation, as an important industrial material, is widely used in semiconductor electronics, electric light, metallurgy, chemical industry, light industry, building materials, optics, nuclear , space technology, defense equipment, industrial and modern science and technology fields. 3, the various properties of the quartz glass: a. Mechanical properties: the mechanical properties of the quartz glass better than glass and ceramics, some of the major indicators of density 2.2g/cm3 Modulus of elasticity 700 * 103kg/cm3, tensile strength-500kg / cm3, the dissolved hardness of 5.5-6.5, at 1180 ° C annealing temperature strength reaches a maximum, which is one of the major characteristics of the quartz glass. b.Thermal Properties: 5.4 * 10-7, due to the small coefficient of thermal expansion of the quartz glass of the quartz glass, is equivalent to that of ordinary glass 1/12-1/20 in minimal 0-1000 ° C the average expansion of the number of coefficients of thermal expansion , so it withstands the ability to withstand temperature difference between the hot and cold CML, 1200-15 ℃ generally can withstand thermal shock test. c .Chemical properties: quartz glass is excellent in acid-resistant material, addition to hydrofluoric acid and for more than 300 ℃ phosphate, any concentration of acid solution until it reaches the boiling point, in the erosion of the quartz glass are very small, also be resistant to the erosion of the neutral substance, it is the same alkali although should be, but the reaction rate is relatively small, therefore, quartz glass is a good resistance to chemical erosion material. 4 Optical properties: quartz glass is transparent to ultraviolet, visible, near-infrared best performance of the glass, quartz glass, there are many unique properties



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