Schott N-PSK53A Glass

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Schott N-PSK53A Glass
Categories:	Ceramic; Glass
Material Notes:	Information Provided by SCHOTT North America, Inc.
Key Words:	618634.357
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	3.57 g/cc

Chemical Properties	Original Value	Comments
Acid Class, SR	53.3
Alkali Class, AR	2.3
Stain Resistance Class, FR	1.0

Mechanical Properties	Original Value	Comments
Knoop Microhardness	415	.1/20
Modulus of Elasticity	76.0 GPa
Poissons Ratio	0.288
Shear Modulus	30.0 GPa	calculated

Thermal Properties	Original Value	Comments
CTE, linear	9.60 µm/m-°C @Temperature -30.0 - 70.0 °C
	10.8 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.590 J/g-°C
Thermal Conductivity	0.640 W/m-K
Transformation Temperature, Tg	606 °C
Softening Point	699 °C	Viscosity 10^7.6 dPa s
Annealing Point	609 °C	Viscosity 10^13.0 dPa s

Optical Properties	Original Value	Comments
Refractive Index	1.618 @Wavelength 587.6 nm	n_d
	1.62033 @Wavelength 546.1 nm	n_e
Abbe Number	63.1	ve
	63.39	vd
Optical Dispersion	0.009749	nf - nc
	0.009831	nf' - nc'
Transmission, Visible	94 % @Thickness 10.0 mm, Wavelength 460 nm
	95.9 % @Thickness 10.0 mm, Wavelength 380 nm
	98.8 % @Thickness 10.0 mm, Wavelength 405 nm
	99.8 % @Thickness 10.0 mm, Wavelength 580 nm
	99.8 % @Thickness 10.0 mm, Wavelength 700 nm
IR Transmittance	60.9 % @Thickness 10.0 mm, Wavelength 2500 nm
	98.2 % @Thickness 10.0 mm, Wavelength 1530 nm
UV Transmittance	6.1 % @Thickness 10.0 mm, Wavelength 310 nm
	52.5 % @Thickness 10.0 mm, Wavelength 334 nm
	92.8 % @Thickness 10.0 mm, Wavelength 370 nm

Descriptive Properties
B	1
Climatic Resistance Test CR	1
HG	6
K (10^-6mm²/N)	1.16
Phosphate Resistance PR	4.3

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