Schott N-SF4 Glass

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Schott N-SF4 Glass
Categories:	Ceramic; Glass
Material Notes:	Information Provided by SCHOTT North America, Inc.
Key Words:	755274.315
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	3.15 g/cc

Chemical Properties	Original Value	Comments
Acid Class, SR	1.3
Alkali Class, AR	1.0
Stain Resistance Class, FR	0.00

Mechanical Properties	Original Value	Comments
Knoop Microhardness	520	.1/20
Modulus of Elasticity	90.0 GPa
Poissons Ratio	0.256
Shear Modulus	36.0 GPa	calculated

Thermal Properties	Original Value	Comments
CTE, linear	9.50 µm/m-°C @Temperature -30.0 - 70.0 °C
	10.9 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.760 J/g-°C
Thermal Conductivity	0.950 W/m-K
Transformation Temperature, Tg	570 °C
Softening Point	661 °C	Viscosity 10^7.6 dPa s
Annealing Point	559 °C	Viscosity 10^13.0 dPa s

Optical Properties	Original Value	Comments
Refractive Index	1.75513 @Wavelength 587.6 nm	n_d
	1.76164 @Wavelength 546.1 nm	n_e
Abbe Number	27.16	ve
	27.38	vd
Optical Dispersion	0.027583	nf - nc
	0.028044	nf' - nc'
Transmission, Visible	45.5 % @Thickness 10.0 mm, Wavelength 380 nm
	82.1 % @Thickness 10.0 mm, Wavelength 405 nm
	95.9 % @Thickness 10.0 mm, Wavelength 460 nm
	99.3 % @Thickness 10.0 mm, Wavelength 580 nm
	99.5 % @Thickness 10.0 mm, Wavelength 700 nm
IR Transmittance	90.1 % @Thickness 10.0 mm, Wavelength 2500 nm
	99.7 % @Thickness 10.0 mm, Wavelength 1530 nm
UV Transmittance	4.4 % @Thickness 10.0 mm, Wavelength 365 nm
	15.2 % @Thickness 10.0 mm, Wavelength 370 nm

Descriptive Properties
B	1
Climatic Resistance Test CR	1
HG	6
K (10^-6mm²/N)	2.76
Phosphate Resistance PR	1

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CSGS071 / 93405

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