Corning UV DG 37 Tinted Optical Glass

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Corning UV DG 37 Tinted Optical Glass
Categories:	Ceramic; Glass; Optical
Material Notes:	Application : 100 % UV absorbing glass suited for general or special purpose Tinted Glass. Gray blue color with excellent color rendition. Pass all national and international standards for traffic signal recognition. Information provided by Corning Incorporated.
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Physical Properties	Original Value	Comments

Density	2.48 g/cc

Thermal Properties	Original Value	Comments
CTE, linear	6.81 µm/m-°C
Softening Point	649 °C
Annealing Point	493 °C
Strain Point	649 °C

Optical Properties	Original Value	Comments
Refractive Index	1.52068 @Wavelength 656.3 nm	Line: C; Hydrogen
	1.52108 @Wavelength 643.8 nm	Line: C'; Cadmium
	1.52320 @Wavelength 587.6 nm	Line: d; Helium
	1.52533 @Wavelength 546.1 nm	Line: e; Mercury
	1.52923 @Wavelength 486.1 nm	Line: F; Hydrogen
	1.52974 @Wavelength 480 nm	Line: F'; Cadmium
Abbe Number	60.7	ve
	61.2	vd
Transmission, Visible	37 % @Wavelength 380 - 780 nm, Thickness 2.00 mm	Luminous
	43 % @Wavelength 380 - 500 nm, Thickness 2.00 mm	Blue light transmission factor
UV Transmittance	<= 0.10 % @Wavelength 280 - 315 nm, Thickness 2.00 mm	UV - B t?(max)
	<= 0.10 % @Wavelength 280 - 315 nm, Thickness 2.00 mm	t(avg)
	<= 0.10 % @Wavelength 315 - 350 nm, Thickness 2.00 mm	Solar UV-B transmission factor
	<= 0.10 % @Wavelength 315 - 350 nm, Thickness 2.00 mm	UV - A t?(max)
	<= 0.10 % @Wavelength 380 - 500 nm, Thickness 2.00 mm	t(avg)
	<= 0.10 % @Wavelength 380 - 500 nm, Thickness 2.00 mm	Solar UV-A transmission factor

Descriptive Properties
Color	Gray-Blue

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