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Schott B270â„¢ Sheet Glass

Category Ceramic , Glass , Optical
Manufacturer Schott North America
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
B 270â„¢ crown glass in sheet glass form. Manufactured by the up-draw method, offers high stability with respect to solarization in combination with high transmission in the visible wavelength range. It has a fire-polished surface and high chemical stability. It is used in a variety of screens, monitors, touch panels, etc.Information provided by SCHOTT North America.
Physical Properties Metric English Comments
Density 2.55 g/cc
0.0921 lb/in³
Thickness <= 17000 microns
<= 669 mil
wide range available
Thermal Properties Metric English Comments
CTE, linear 9.40 µm/m-°C

@Temperature 20.0 - 300 °C
5.22 µin/in-°F

@Temperature 68.0 - 572 °F
Transformation Temperature, Tg 533 °C
991 °F
Optical Properties Metric English Comments
Refractive Index 1.5229

@Wavelength 588 nm
1.5229

@Wavelength 588 nm
n<sub>d</sub>
Transmission, Visible 91.7 %

@Thickness 2.0 mm
91.7 %

@Thickness 0.079 in
T<sub>vD65</sub>
Electrical Properties Metric English Comments
Dielectric Constant 7.0

@Frequency 1e+6 Hz
7.0

@Frequency 1e+6 Hz
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