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Schott N-BAK1 Glass

Category Ceramic , Glass
Manufacturer Schott North America
Trade Name
Port Ningbo port,China
Trade Terms EXW, FOB, CFR, CIF
Payment Terms L/C, T/T, PayPal
Download PDF Schott N-BAK1 Glass.pdf
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Material Notes:
Information Provided by SCHOTT North America, Inc.
Physical Properties Metric English Comments
Density 3.19 g/cc
0.115 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 530
530
.1/20
Modulus of Elasticity 73.0 GPa
10600 ksi
Poissons Ratio 0.252
0.252
Shear Modulus 29.0 GPa
4210 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 7.60 µm/m-°C
<br>@Temperature -30.0 - 70.0 °C
 4.22 µin/in-°F
<br>@Temperature -22.0 - 158 °F
8.60 µm/m-°C
<br>@Temperature 20.0 - 300 °C
 4.78 µin/in-°F
<br>@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.687 J/g-°C
0.164 BTU/lb-°F
Thermal Conductivity 0.795 W/m-K
5.52 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 592 °C
1100 °F
Optical Properties Metric English Comments
Refractive Index 1.5725
<br>@Wavelength 587.6 nm
 1.5725
<br>@Wavelength 587.6 nm
 n&lt;sub&gt;d&lt;/sub&gt;
1.57487
<br>@Wavelength 546.1 nm
 1.57487
<br>@Wavelength 546.1 nm
 n&lt;sub&gt;e&lt;/sub&gt;
Transmission, Visible 99.3 %
<br>@Thickness 10.0 mm,<br> Wavelength 380 nm
 99.3 %
<br>@Thickness 0.394 in,<br> Wavelength 380 nm
99.6 %
<br>@Thickness 10.0 mm,<br> Wavelength 405 nm
 99.6 %
<br>@Thickness 0.394 in,<br> Wavelength 405 nm
99.6 %
<br>@Thickness 10.0 mm,<br> Wavelength 460 nm
 99.6 %
<br>@Thickness 0.394 in,<br> Wavelength 460 nm
99.8 %
<br>@Thickness 10.0 mm,<br> Wavelength 580 nm
 99.8 %
<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 80.6 %
<br>@Thickness 10.0 mm,<br> Wavelength 2500 nm
 80.6 %
<br>@Thickness 0.394 in,<br> Wavelength 2500 nm
99.4 %
<br>@Thickness 10.0 mm,<br> Wavelength 1530 nm
 99.4 %
<br>@Thickness 0.394 in,<br> Wavelength 1530 nm
UV Transmittance 1.4 %
<br>@Thickness 10.0 mm,<br> Wavelength 280 nm
 1.4 %
<br>@Thickness 0.394 in,<br> Wavelength 280 nm
34.5 %
<br>@Thickness 10.0 mm,<br> Wavelength 300 nm
 34.5 %
<br>@Thickness 0.394 in,<br> Wavelength 300 nm
92.4 %
<br>@Thickness 10.0 mm,<br> Wavelength 334 nm
 92.4 %
<br>@Thickness 0.394 in,<br> Wavelength 334 nm
99.1 %
<br>@Thickness 10.0 mm,<br> Wavelength 370 nm
 99.1 %
<br>@Thickness 0.394 in,<br> Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 3.3
3.3
Alkali Class, AR 1.2
1.2
Stain Resistance Class, FR 1.0
1.0
Descriptive Properties Value Comments
B 1
Climatic Resistance Test CR 2
HG 2
K (10-6mm2/N) 2.62
Phosphate Resistance PR 2
T1013.0 (°C) 592
T107.6 (°C) 746
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