Songhan Plastic Technology Co.,Ltd.
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Schott SF57HHT Glass

Category Ceramic , Glass
Manufacturer Schott North America
Trade Name
Port Shanghai port,China
Trade Terms EXW, FOB, CFR, CIF
Payment Terms L/C, T/T, PayPal
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Material Notes:
Information Provided by SCHOTT North America, Inc.
Physical Properties Metric English Comments
Density 5.51 g/cc
0.199 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 350
350
.1/20
Modulus of Elasticity 54.0 GPa
7830 ksi
Poissons Ratio 0.248
0.248
Shear Modulus 22.0 GPa
3190 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 8.30 µm/m-°C
<br>@Temperature -30.0 - 70.0 °C
 4.61 µin/in-°F
<br>@Temperature -22.0 - 158 °F
9.20 µm/m-°C
<br>@Temperature 20.0 - 300 °C
 5.11 µin/in-°F
<br>@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.360 J/g-°C
0.0860 BTU/lb-°F
Thermal Conductivity 0.620 W/m-K
4.30 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 414 °C
777 °F
Optical Properties Metric English Comments
Refractive Index 1.84666
<br>@Wavelength 587.6 nm
 1.84666
<br>@Wavelength 587.6 nm
 n&lt;sub&gt;d&lt;/sub&gt;
1.85504
<br>@Wavelength 546.1 nm
 1.85504
<br>@Wavelength 546.1 nm
 n&lt;sub&gt;e&lt;/sub&gt;
Transmission, Visible 62.1 %
<br>@Thickness 10.0 mm,<br> Wavelength 380 nm
 62.1 %
<br>@Thickness 0.394 in,<br> Wavelength 380 nm
94.1 %
<br>@Thickness 10.0 mm,<br> Wavelength 405 nm
 94.1 %
<br>@Thickness 0.394 in,<br> Wavelength 405 nm
99.1 %
<br>@Thickness 10.0 mm,<br> Wavelength 460 nm
 99.1 %
<br>@Thickness 0.394 in,<br> Wavelength 460 nm
99.9 %
<br>@Thickness 10.0 mm,<br> Wavelength 580 nm
 99.9 %
<br>@Thickness 0.394 in,<br> Wavelength 580 nm
99.9 %
<br>@Thickness 10.0 mm,<br> Wavelength 700 nm
 99.9 %
<br>@Thickness 0.394 in,<br> Wavelength 700 nm
IR Transmittance 91.4 %
<br>@Thickness 10.0 mm,<br> Wavelength 2500 nm
 91.4 %
<br>@Thickness 0.394 in,<br> Wavelength 2500 nm
99.8 %
<br>@Thickness 10.0 mm,<br> Wavelength 1530 nm
 99.8 %
<br>@Thickness 0.394 in,<br> Wavelength 1530 nm
UV Transmittance 1.0 %
<br>@Thickness 10.0 mm,<br> Wavelength 365 nm
 1.0 %
<br>@Thickness 0.394 in,<br> Wavelength 365 nm
25 %
<br>@Thickness 10.0 mm,<br> Wavelength 370 nm
 25 %
<br>@Thickness 0.394 in,<br> Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 52.3
52.3
Alkali Class, AR 2.3
2.3
Stain Resistance Class, FR 5.0
5.0
Descriptive Properties Value Comments
B 0
Climatic Resistance Test CR 2
HG 1
K (10-6mm2/N) 0.02
Phosphate Resistance PR 4.3
T1013.0 (°C) 391
T107.6 (°C) 519
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