Schott SF6G05 809253.520, Optical Glass

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Schott SF6G05 809253.520, Optical Glass
Categories:	Ceramic; Glass; Optical
Material Notes:	Information provided by SCHOTT.
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Physical Properties	Metric	English	Comments

Density	5.20 g/cc	0.188 lb/in³

Chemical Properties	Metric	English	Comments
Acid Class, SR	51.3	51.3
Alkali Class, AR	2.3	2.3
Stain Resistance Class, FR	3.0	3.0

Mechanical Properties	Metric	English	Comments
Hardness, Knoop	360	360	HK (0.1/20)

Thermal Properties	Metric	English	Comments
CTE, linear	7.80 µm/m-°C @Temperature -30.0 - 70.0 °C	4.33 µin/in-°F @Temperature -22.0 - 158 °F
Transformation Temperature, Tg	427 °C	801 °F
Softening Point	529 °C	984 °F	viscosity of 10^7.6 cP

Optical Properties	Metric	English	Comments
Refractive Index	1.756 @Wavelength 2325.4 nm	1.756 @Wavelength 2325.4 nm
	1.761 @Wavelength 1970.1 nm	1.761 @Wavelength 1970.1 nm
	1.767 @Wavelength 1529.6 nm	1.767 @Wavelength 1529.6 nm
	1.777 @Wavelength 1060 nm	1.777 @Wavelength 1060 nm
	1.778 @Wavelength 1014 nm	1.778 @Wavelength 1014 nm
	1.785 @Wavelength 852.1 nm	1.785 @Wavelength 852.1 nm
	1.794 @Wavelength 706.5 nm	1.794 @Wavelength 706.5 nm
	1.799 @Wavelength 656.3 nm	1.799 @Wavelength 656.3 nm
	1.801 @Wavelength 643.8 nm	1.801 @Wavelength 643.8 nm
	1.802 @Wavelength 632.8 nm	1.802 @Wavelength 632.8 nm
	1.808 @Wavelength 589.3 nm	1.808 @Wavelength 589.3 nm
	1.809 @Wavelength 587.6 nm	1.809 @Wavelength 587.6 nm
	1.816 @Wavelength 546.1 nm	1.816 @Wavelength 546.1 nm
	1.831 @Wavelength 486.1 nm	1.831 @Wavelength 486.1 nm
	1.833 @Wavelength 480 nm	1.833 @Wavelength 480 nm
Abbe Number	25.08	25.08	ve
	25.28	25.28	vd
Optical Dispersion	0.032015	0.032015	nf - nc
	0.03257	0.03257	nf' - nc'
Transmission, Visible	8.0 % @Thickness 25.0 mm, Wavelength 460 nm	8.0 % @Thickness 0.984 in, Wavelength 460 nm
	9.0 % @Thickness 10.0 mm, Wavelength 460 nm	9.0 % @Thickness 0.394 in, Wavelength 460 nm
	33 % @Thickness 25.0 mm, Wavelength 500 nm	33 % @Thickness 0.984 in, Wavelength 500 nm
	64.2 % @Thickness 10.0 mm, Wavelength 500 nm	64.2 % @Thickness 0.394 in, Wavelength 500 nm
	80.5 % @Thickness 25.0 mm, Wavelength 546 nm	80.5 % @Thickness 0.984 in, Wavelength 546 nm
	89.8 % @Thickness 25.0 mm, Wavelength 580 nm	89.8 % @Thickness 0.984 in, Wavelength 580 nm
	91.7 % @Thickness 10.0 mm, Wavelength 546 nm	91.7 % @Thickness 0.394 in, Wavelength 546 nm
	93.1 % @Thickness 25.0 mm, Wavelength 620 nm	93.1 % @Thickness 0.984 in, Wavelength 620 nm
	95 % @Thickness 25.0 mm, Wavelength 660 nm	95 % @Thickness 0.984 in, Wavelength 660 nm
	95.8 % @Thickness 10.0 mm, Wavelength 580 nm	95.8 % @Thickness 0.394 in, Wavelength 580 nm
	96.2 % @Thickness 25.0 mm, Wavelength 700 nm	96.2 % @Thickness 0.984 in, Wavelength 700 nm
	97.2 % @Thickness 10.0 mm, Wavelength 620 nm	97.2 % @Thickness 0.394 in, Wavelength 620 nm
	98 % @Thickness 10.0 mm, Wavelength 660 nm	98 % @Thickness 0.394 in, Wavelength 660 nm
	98.5 % @Thickness 10.0 mm, Wavelength 700 nm	98.5 % @Thickness 0.394 in, Wavelength 700 nm
IR Transmittance	66 % @Thickness 25.0 mm, Wavelength 2500 nm	66 % @Thickness 0.984 in, Wavelength 2500 nm
	72.1 % @Thickness 25.0 mm, Wavelength 2325 nm	72.1 % @Thickness 0.984 in, Wavelength 2325 nm
	84.4 % @Thickness 10.0 mm, Wavelength 2500 nm	84.4 % @Thickness 0.394 in, Wavelength 2500 nm
	87.7 % @Thickness 10.0 mm, Wavelength 2325 nm	87.7 % @Thickness 0.394 in, Wavelength 2325 nm
	91.5 % @Thickness 25.0 mm, Wavelength 1970 nm	91.5 % @Thickness 0.984 in, Wavelength 1970 nm
	96.5 % @Thickness 10.0 mm, Wavelength 1970 nm	96.5 % @Thickness 0.394 in, Wavelength 1970 nm
	98.7 % @Thickness 25.0 mm, Wavelength 1530 nm	98.7 % @Thickness 0.984 in, Wavelength 1530 nm
	99.4 % @Thickness 25.0 mm, Wavelength 1060 nm	99.4 % @Thickness 0.984 in, Wavelength 1060 nm
	99.5 % @Thickness 10.0 mm, Wavelength 1530 nm	99.5 % @Thickness 0.394 in, Wavelength 1530 nm
	99.8 % @Thickness 10.0 mm, Wavelength 1060 nm	99.8 % @Thickness 0.394 in, Wavelength 1060 nm

Descriptive Properties
Climatic resistance	4
Phosphate resistance	3.3

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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