Schott N-SK14 Glass

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Schott N-SK14 Glass
Categories:	Ceramic; Glass
Material Notes:	Information Provided by SCHOTT North America, Inc.
Key Words:	603606.344
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	3.44 g/cc

Chemical Properties	Original Value	Comments
Acid Class, SR	51.3
Alkali Class, AR	2.0
Stain Resistance Class, FR	2.0

Mechanical Properties	Original Value	Comments
Knoop Microhardness	600	.1/20
Modulus of Elasticity	86.0 GPa
Poissons Ratio	0.261
Shear Modulus	34.0 GPa	calculated

Thermal Properties	Original Value	Comments
CTE, linear	6.00 µm/m-°C @Temperature -30.0 - 70.0 °C
	7.30 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.636 J/g-°C
Thermal Conductivity	0.851 W/m-K
Transformation Temperature, Tg	649 °C
Softening Point	773 °C	Viscosity 10^7.6 dPa s
Annealing Point	638 °C	Viscosity 10^13.0 dPa s

Optical Properties	Original Value	Comments
Refractive Index	1.60311 @Wavelength 587.6 nm	n_d
	1.60548 @Wavelength 546.1 nm	n_e
Abbe Number	60.34	ve
	60.6	vd
Optical Dispersion	0.009953	nf - nc
	0.010034	nf' - nc'
Transmission, Visible	98.1 % @Thickness 10.0 mm, Wavelength 380 nm
	99.1 % @Thickness 10.0 mm, Wavelength 405 nm
	99.5 % @Thickness 10.0 mm, Wavelength 460 nm
	99.8 % @Thickness 10.0 mm, Wavelength 580 nm
	99.8 % @Thickness 10.0 mm, Wavelength 700 nm
IR Transmittance	67.9 % @Thickness 10.0 mm, Wavelength 2500 nm
	99.2 % @Thickness 10.0 mm, Wavelength 1530 nm
UV Transmittance	4.0 % @Thickness 10.0 mm, Wavelength 290 nm
	16 % @Thickness 10.0 mm, Wavelength 300 nm
	77 % @Thickness 10.0 mm, Wavelength 334 nm
	97.1 % @Thickness 10.0 mm, Wavelength 370 nm

Descriptive Properties
B	1
Climatic Resistance Test CR	4
HG	3
K (10^-6mm²/N)	2
Phosphate Resistance PR	2.3

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