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Boron silicate glass

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Product Details

Boron silicate glass is a globally recognized high quality, multi function float glass. Its physical, chemical and optical properties, such as high heat resistance, chemical resistance, high transparency and good surface quality, so that it can be applied to a variety of new and high tech glass applications. In addition to services outside the traditional application, more and more is used in the model and technology of special type glass application, such as electrophoresis technology, the application of micro fluid science and photovoltaic technology, fireplace, microwave oven, chemical pipes, resistance to high temperature mirror, high pressure resistant mirror resistance, acid-base mirror etc..

Physical and chemical properties

Silicon content
>80%
Strain temperature
520℃
Annealing temperature
560℃
Softening temperature
820℃
Refractive index
1.47
Transmittance
≧90%
Elastic modulus E
67KNmm-2
Tensile strength
40-120Nmm-2
Processing temperature(104dpas)
1220℃
Coefficient of thermal expansion(20-300℃)
3.3×10-6/K-1
Poisson ratioμ
0.2
Density(20℃)
2.23g/cm3
Specific heat
0.9Jg-1K-1
Thermal conductivity
1.2Wm-1K-1
Water resistance(ISO 719)
1级
Acid resistance(ISO 195)
1级
Alkali resistance(ISO 695)
2级
Thermal shock resistance glass glass rod methodΦ6×30mm
300℃

Optical properties - spectral graph

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Has more than 30 years of rich experience and technology research and development capabilities, is committed to become the leading and promote the development of the international optical industry leader;

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Standardized operation Always adhere to the quality of innovation

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Has more than 50 sets of optical glass precision CNC processing;

Raw materials, cutting, edge grinding, drilling, grinding, polishing, cleaning and tempering heat treatment process tightly controlled.

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