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Corning Vycor® 7921 UV-Blocking Neodymium 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® 7921 UV-Blocking Neodymium Blue Glass.pdf
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Material Notes:
Absorbs yellow and UV wavelengths through a process that introduces neodymium and cerium to the glass. Because the elements that create higher color temperature and UV blocking are a art of the glass structure, a lamp can be produced without substantial loss of visible light transmission as seen with coated bulbs. It 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.
Physical Properties Metric English Comments
Density 2.21 g/cc
0.0798 lb/in³
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
Annealing Point 1005 °C
1841 °F
Strain Point 890 °C
1630 °F
Optical Properties Metric English Comments
Transmission, Visible >= 62 %

@Wavelength 575 nm
>= 62 %

@Wavelength 575 nm
Minimum visible transmission at this wavelength
90 - 93 %

@Wavelength 400 - 550 nm
90 - 93 %

@Wavelength 400 - 550 nm
95 %

@Wavelength 700 nm
95 %

@Wavelength 700 nm
95 %

@Wavelength 600 - 700 nm
95 %

@Wavelength 600 - 700 nm
IR Transmittance 85 %

@Wavelength 800 nm
85 %

@Wavelength 800 nm
UV Transmittance <= 1.0 %

@Wavelength 200 - 300 nm
<= 1.0 %

@Wavelength 200 - 300 nm
Component Elements Properties Metric English Comments
SiO2 96 %
96 %
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