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	Original Value	Comments

Density	3.22 g/cc

Chemical Properties	Original Value	Comments
Acid Class, SR	1.0
Alkali Class, AR	2.3
Stain Resistance Class, FR	0.00

Mechanical Properties	Original Value	Comments
Knoop Microhardness	450	.1/20
Modulus of Elasticity	59.0 GPa
Poissons Ratio	0.223
Shear Modulus	24.0 GPa	calculated

Thermal Properties	Original Value	Comments
CTE, linear	9.10 µm/m-°C @Temperature -30.0 - 70.0 °C
	10.6 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.657 J/g-°C
Thermal Conductivity	0.866 W/m-K
Transformation Temperature, Tg	419 °C
Softening Point	585 °C	Viscosity 10^7.6 dPa s
Annealing Point	411 °C	Viscosity 10^13.0 dPa s

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

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

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CSGS045 / 93379

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