Schott SF6 Glass

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Schott SF6 Glass
Categories:	Ceramic; Glass
Material Notes:	Information Provided by SCHOTT North America, Inc.
Key Words:	805254.518
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	5.18 g/cc

Chemical Properties	Original Value	Comments
Acid Class, SR	51.3
Alkali Class, AR	2.3
Stain Resistance Class, FR	3.0

Mechanical Properties	Original Value	Comments
Knoop Microhardness	370	.1/20
Modulus of Elasticity	55.0 GPa
Poissons Ratio	0.244
Shear Modulus	22.0 GPa	calculated

Thermal Properties	Original Value	Comments
CTE, linear	8.10 µm/m-°C @Temperature -30.0 - 70.0 °C
	9.00 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.389 J/g-°C
Thermal Conductivity	0.673 W/m-K
Transformation Temperature, Tg	423 °C
Softening Point	538 °C	Viscosity 10^7.6 dPa s
Annealing Point	410 °C	Viscosity 10^13.0 dPa s

Optical Properties	Original Value	Comments
Refractive Index	1.80518 @Wavelength 587.6 nm	n_d
	1.81265 @Wavelength 546.1 nm	n_e
Abbe Number	25.24	ve
	25.43	vd
Optical Dispersion	0.03166	nf - nc
	0.032201	nf' - nc'
Transmission, Visible	72 % @Thickness 10.0 mm, Wavelength 380 nm
	93.3 % @Thickness 10.0 mm, Wavelength 405 nm
	99.1 % @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	88.7 % @Thickness 10.0 mm, Wavelength 2500 nm
	99.6 % @Thickness 10.0 mm, Wavelength 1530 nm
UV Transmittance	24.6 % @Thickness 10.0 mm, Wavelength 365 nm
	44.2 % @Thickness 10.0 mm, Wavelength 370 nm

Descriptive Properties
B	0
Climatic Resistance Test CR	2
HG	1
K (10^-6mm²/N)	0.65
Phosphate Resistance PR	3.3

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