Schott LF5 Glass

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Schott LF5 Glass
Categories:	Ceramic; Glass
Material Notes:	Information Provided by SCHOTT North America, Inc.
Key Words:	581409.322
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	3.22 g/cc	0.116 lb/in³

Chemical Properties	Metric	English	Comments
Acid Class, SR	1.0	1.0
Alkali Class, AR	2.3	2.3
Stain Resistance Class, FR	0.00	0.00

Mechanical Properties	Metric	English	Comments
Knoop Microhardness	450	450	.1/20
Modulus of Elasticity	59.0 GPa	8560 ksi
Poissons Ratio	0.223	0.223
Shear Modulus	24.0 GPa	3480 ksi	calculated

Thermal Properties	Metric	English	Comments
CTE, linear	9.10 µm/m-°C @Temperature -30.0 - 70.0 °C	5.06 µin/in-°F @Temperature -22.0 - 158 °F
	10.6 µm/m-°C @Temperature 20.0 - 300 °C	5.89 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.657 J/g-°C	0.157 BTU/lb-°F
Thermal Conductivity	0.866 W/m-K	6.01 BTU-in/hr-ft²-°F
Transformation Temperature, Tg	419 °C	786 °F
Softening Point	585 °C	1090 °F	Viscosity 10^7.6 dPa s
Annealing Point	411 °C	772 °F	Viscosity 10^13.0 dPa s

Optical Properties	Metric	English	Comments
Refractive Index	1.58144 @Wavelength 587.6 nm	1.58144 @Wavelength 587.6 nm	n_d
	1.58482 @Wavelength 546.1 nm	1.58482 @Wavelength 546.1 nm	n_e
Abbe Number	40.57	40.57	ve
	40.85	40.85	vd
Optical Dispersion	0.014233	0.014233	nf - nc
	0.014413	0.014413	nf' - nc'
Transmission, Visible	98.9 % @Thickness 10.0 mm, Wavelength 380 nm	98.9 % @Thickness 0.394 in, Wavelength 380 nm
	99.7 % @Thickness 10.0 mm, Wavelength 405 nm	99.7 % @Thickness 0.394 in, Wavelength 405 nm
	99.8 % @Thickness 10.0 mm, Wavelength 460 nm	99.8 % @Thickness 0.394 in, Wavelength 460 nm
	99.9 % @Thickness 10.0 mm, Wavelength 580 nm	99.9 % @Thickness 0.394 in, Wavelength 580 nm
	99.9 % @Thickness 10.0 mm, Wavelength 700 nm	99.9 % @Thickness 0.394 in, Wavelength 700 nm
IR Transmittance	84.7 % @Thickness 10.0 mm, Wavelength 2325 nm	84.7 % @Thickness 0.394 in, Wavelength 2325 nm
	99.7 % @Thickness 10.0 mm, Wavelength 1530 nm	99.7 % @Thickness 0.394 in, Wavelength 1530 nm
UV Transmittance	4.0 % @Thickness 10.0 mm, Wavelength 310 nm	4.0 % @Thickness 0.394 in, Wavelength 310 nm
	79.9 % @Thickness 10.0 mm, Wavelength 334 nm	79.9 % @Thickness 0.394 in, Wavelength 334 nm
	98.4 % @Thickness 10.0 mm, Wavelength 370 nm	98.4 % @Thickness 0.394 in, Wavelength 370 nm

Descriptive Properties
B	1
Climatic Resistance Test CR	2
HG	2
K (10^-6mm²/N)	2.83
Phosphate Resistance PR	2

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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