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Corning Vycor® 7904 Blue Glass

Category Ceramic , Glass , Optical , Oxide , Silicon Oxide
Manufacturer Corning Incorporated
Trade Name Vycor®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Corning Vycor® 7904 Blue Glass.pdf
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Material Notes:
Absorbs yellow wavelengths and causes light transmitted through the glass to have a higher color temperature. Cobalt is introduced into the glass structure; therefore a lamp can be produced without the issues of burn-off and light scatter that coated lamps have. Blue VYCOR can be run in high temperature lamp manufacturing processes without additional cost or process steps.Special Features:Superior optical qualityTight dimensional controlThermal and chemical properties ideally suited to high temperatures.Excellent thermal shock resistanceInformation provided by Corning Incorporated.
Thermal Properties Metric English Comments
CTE, linear 0.850 µm/m-°C

@Temperature 20.0 °C
0.472 µin/in-°F

@Temperature 68.0 °F
Softening Point 1005 °C
1841 °F
Annealing Point 900 °C
1650 °F
Optical Properties Metric English Comments
Transmission, Visible 53 - 61 %

@Thickness 1.00 mm,
Wavelength 590 nm
53 - 61 %

@Thickness 0.0394 in,
Wavelength 590 nm
tubing
62 - 70 %

@Thickness 1.00 mm,
Wavelength 500 nm
62 - 70 %

@Thickness 0.0394 in,
Wavelength 500 nm
tubing
82 - 90 %

@Thickness 1.00 mm,
Wavelength 400 nm
82 - 90 %

@Thickness 0.0394 in,
Wavelength 400 nm
tubing
IR Transmittance 92 %

@Thickness 1.00 mm,
Wavelength 800 nm
92 %

@Thickness 0.0394 in,
Wavelength 800 nm
tubing
UV Transmittance <= 1.0 %

@Thickness 1.00 mm,
Wavelength 200 nm
<= 1.0 %

@Thickness 0.0394 in,
Wavelength 200 nm
tubing
73 %

@Thickness 1.00 mm,
Wavelength 300 nm
73 %

@Thickness 0.0394 in,
Wavelength 300 nm
tubing
Component Elements Properties Metric English Comments
SiO2 96 %
96 %
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