Schott N-SF57 Glass

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Schott N-SF57 Glass
Categories:	Ceramic; Glass
Material Notes:	Information Provided by SCHOTT North America, Inc.
Key Words:	847238.353
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	3.53 g/cc	0.128 lb/in³

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

Mechanical Properties	Metric	English	Comments
Knoop Microhardness	520	520	.1/20
Modulus of Elasticity	96.0 GPa	13900 ksi
Poissons Ratio	0.26	0.26
Shear Modulus	38.0 GPa	5510 ksi	calculated

Thermal Properties	Metric	English	Comments
CTE, linear	8.50 µm/m-°C @Temperature -30.0 - 70.0 °C	4.72 µin/in-°F @Temperature -22.0 - 158 °F
	9.90 µm/m-°C @Temperature 20.0 - 300 °C	5.50 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.660 J/g-°C	0.158 BTU/lb-°F
Thermal Conductivity	0.990 W/m-K	6.87 BTU-in/hr-ft²-°F
Transformation Temperature, Tg	629 °C	1160 °F
Softening Point	716 °C	1320 °F	Viscosity 10^7.6 dPa s
Annealing Point	616 °C	1140 °F	Viscosity 10^13.0 dPa s

Optical Properties	Metric	English	Comments
Refractive Index	1.84666 @Wavelength 587.6 nm	1.84666 @Wavelength 587.6 nm	n_d
	1.85504 @Wavelength 546.1 nm	1.85504 @Wavelength 546.1 nm	n_e
Abbe Number	23.59	23.59	ve
	23.78	23.78	vd
Optical Dispersion	0.035604	0.035604	nf - nc
	0.03647	0.03647	nf' - nc'
Transmission, Visible	30.2 % @Thickness 10.0 mm, Wavelength 380 nm	30.2 % @Thickness 0.394 in, Wavelength 380 nm
	78.2 % @Thickness 10.0 mm, Wavelength 405 nm	78.2 % @Thickness 0.394 in, Wavelength 405 nm
	94.9 % @Thickness 10.0 mm, Wavelength 460 nm	94.9 % @Thickness 0.394 in, Wavelength 460 nm
	99 % @Thickness 10.0 mm, Wavelength 580 nm	99 % @Thickness 0.394 in, Wavelength 580 nm
	99.1 % @Thickness 10.0 mm, Wavelength 700 nm	99.1 % @Thickness 0.394 in, Wavelength 700 nm
IR Transmittance	84.2 % @Thickness 10.0 mm, Wavelength 2500 nm	84.2 % @Thickness 0.394 in, Wavelength 2500 nm
	99.4 % @Thickness 10.0 mm, Wavelength 1530 nm	99.4 % @Thickness 0.394 in, Wavelength 1530 nm
UV Transmittance	0.30 % @Thickness 10.0 mm, Wavelength 365 nm	0.30 % @Thickness 0.394 in, Wavelength 365 nm
	6.3 % @Thickness 10.0 mm, Wavelength 370 nm	6.3 % @Thickness 0.394 in, Wavelength 370 nm

Descriptive Properties
B	0
Climatic Resistance Test CR	1
HG	4
K (10^-6mm²/N)	2.78
Phosphate Resistance PR	1

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CSGS080 / 93414

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