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Schott SF6HT Glass

Category Ceramic , Glass
Manufacturer Schott North America
Trade Name
Port Shanghai 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 5.18 g/cc
0.187 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 370
370
.1/20
Modulus of Elasticity 55.0 GPa
7980 ksi
Poissons Ratio 0.244
0.244
Shear Modulus 22.0 GPa
3190 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 8.10 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.389 J/g-°C
0.0930 BTU/lb-°F
Thermal Conductivity 0.673 W/m-K
4.67 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 423 °C
793 °F
Optical Properties Metric English Comments
Refractive Index 1.80518

@Wavelength 587.6 nm
 1.80518

@Wavelength 587.6 nm
 n<sub>d</sub>
1.81265

@Wavelength 546.1 nm
 1.81265

@Wavelength 546.1 nm
 n<sub>e</sub>
Transmission, Visible 77 %

@Thickness 10.0 mm,
Wavelength 380 nm
 77 %

@Thickness 0.394 in,
Wavelength 380 nm
95.4 %

@Thickness 10.0 mm,
Wavelength 405 nm
 95.4 %

@Thickness 0.394 in,
Wavelength 405 nm
99.2 %

@Thickness 10.0 mm,
Wavelength 460 nm
 99.2 %

@Thickness 0.394 in,
Wavelength 460 nm
99.9 %

@Thickness 10.0 mm,
Wavelength 580 nm
 99.9 %

@Thickness 0.394 in,
Wavelength 580 nm
99.9 %

@Thickness 10.0 mm,
Wavelength 700 nm
 99.9 %

@Thickness 0.394 in,
Wavelength 700 nm
IR Transmittance 88.7 %

@Thickness 10.0 mm,
Wavelength 2500 nm
 88.7 %

@Thickness 0.394 in,
Wavelength 2500 nm
99.6 %

@Thickness 10.0 mm,
Wavelength 1530 nm
 99.6 %

@Thickness 0.394 in,
Wavelength 1530 nm
UV Transmittance 30.2 %

@Thickness 10.0 mm,
Wavelength 365 nm
 30.2 %

@Thickness 0.394 in,
Wavelength 365 nm
50.4 %

@Thickness 10.0 mm,
Wavelength 370 nm
 50.4 %

@Thickness 0.394 in,
Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 51.3
51.3
Alkali Class, AR 2.3
2.3
Stain Resistance Class, FR 3.0
3.0
Descriptive Properties Value Comments
B 0
Climatic Resistance Test CR 2
HG 1
K (10-6mm2/N) 0.65
Phosphate Resistance PR 3.3
T1013.0 (°C) 410
T107.6 (°C) 538
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