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Schott N-SF4 Glass

Category Ceramic , Glass
Manufacturer Schott North America
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Information Provided by SCHOTT North America, Inc.
Physical Properties Metric English Comments
Density 3.15 g/cc
0.114 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 520
520
.1/20
Modulus of Elasticity 90.0 GPa
13100 ksi
Poissons Ratio 0.256
0.256
Shear Modulus 36.0 GPa
5220 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 9.50 µm/m-°C

@Temperature -30.0 - 70.0 °C
 5.28 µin/in-°F

@Temperature -22.0 - 158 °F
10.9 µm/m-°C

@Temperature 20.0 - 300 °C
 6.06 µin/in-°F

@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.760 J/g-°C
0.182 BTU/lb-°F
Thermal Conductivity 0.950 W/m-K
6.59 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 570 °C
1060 °F
Optical Properties Metric English Comments
Refractive Index 1.75513

@Wavelength 587.6 nm
 1.75513

@Wavelength 587.6 nm
 n<sub>d</sub>
1.76164

@Wavelength 546.1 nm
 1.76164

@Wavelength 546.1 nm
 n<sub>e</sub>
Transmission, Visible 45.5 %

@Thickness 10.0 mm,
Wavelength 380 nm
 45.5 %

@Thickness 0.394 in,
Wavelength 380 nm
82.1 %

@Thickness 10.0 mm,
Wavelength 405 nm
 82.1 %

@Thickness 0.394 in,
Wavelength 405 nm
95.9 %

@Thickness 10.0 mm,
Wavelength 460 nm
 95.9 %

@Thickness 0.394 in,
Wavelength 460 nm
99.3 %

@Thickness 10.0 mm,
Wavelength 580 nm
 99.3 %

@Thickness 0.394 in,
Wavelength 580 nm
99.5 %

@Thickness 10.0 mm,
Wavelength 700 nm
 99.5 %

@Thickness 0.394 in,
Wavelength 700 nm
IR Transmittance 90.1 %

@Thickness 10.0 mm,
Wavelength 2500 nm
 90.1 %

@Thickness 0.394 in,
Wavelength 2500 nm
99.7 %

@Thickness 10.0 mm,
Wavelength 1530 nm
 99.7 %

@Thickness 0.394 in,
Wavelength 1530 nm
UV Transmittance 4.4 %

@Thickness 10.0 mm,
Wavelength 365 nm
 4.4 %

@Thickness 0.394 in,
Wavelength 365 nm
15.2 %

@Thickness 10.0 mm,
Wavelength 370 nm
 15.2 %

@Thickness 0.394 in,
Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 1.3
1.3
Alkali Class, AR 1.0
1.0
Stain Resistance Class, FR 0.00
0.00
Descriptive Properties Value Comments
B 1
Climatic Resistance Test CR 1
HG 6
K (10-6mm2/N) 2.76
Phosphate Resistance PR 1
T1013.0 (°C) 559
T107.6 (°C) 661
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