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 |
Download PDF | Schott N-BAK4 Glass.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 3.05 g/cc | 0.110 lb/in³ |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Knoop Microhardness | 550 | 550 | .1/20 |
Modulus of Elasticity | 77.0 GPa | 11200 ksi | |
Poissons Ratio | 0.24 | 0.24 | |
Shear Modulus | 31.0 GPa | 4500 ksi | calculated |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 7.00 µm/m-°C @Temperature -30.0 - 70.0 °C |
3.89 µin/in-°F @Temperature -22.0 - 158 °F |
|
7.90 µm/m-°C @Temperature 20.0 - 300 °C |
4.39 µin/in-°F @Temperature 68.0 - 572 °F |
||
Specific Heat Capacity | 0.680 J/g-°C | 0.163 BTU/lb-°F | |
Thermal Conductivity | 0.880 W/m-K | 6.11 BTU-in/hr-ft²-°F | |
Transformation Temperature, Tg | 581 °C | 1080 °F |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Refractive Index | 1.56883 @Wavelength 587.6 nm |
1.56883 @Wavelength 587.6 nm |
n<sub>d</sub> |
1.57125 @Wavelength 546.1 nm |
1.57125 @Wavelength 546.1 nm |
n<sub>e</sub> | |
Transmission, Visible | 97.6 % @Thickness 10.0 mm, Wavelength 380 nm |
97.6 % @Thickness 0.394 in, Wavelength 380 nm |
|
99.3 % @Thickness 10.0 mm, Wavelength 405 nm |
99.3 % @Thickness 0.394 in, Wavelength 405 nm |
||
99.6 % @Thickness 10.0 mm, Wavelength 460 nm |
99.6 % @Thickness 0.394 in, Wavelength 460 nm |
||
99.8 % @Thickness 10.0 mm, Wavelength 580 nm |
99.8 % @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 | 78.2 % @Thickness 10.0 mm, Wavelength 2500 nm |
78.2 % @Thickness 0.394 in, Wavelength 2500 nm |
|
99.3 % @Thickness 10.0 mm, Wavelength 1530 nm |
99.3 % @Thickness 0.394 in, Wavelength 1530 nm |
||
UV Transmittance | 1.2 % @Thickness 10.0 mm, Wavelength 320 nm |
1.2 % @Thickness 0.394 in, Wavelength 320 nm |
|
34.5 % @Thickness 10.0 mm, Wavelength 334 nm |
34.5 % @Thickness 0.394 in, Wavelength 334 nm |
||
95.4 % @Thickness 10.0 mm, Wavelength 370 nm |
95.4 % @Thickness 0.394 in, Wavelength 370 nm |
Chemical Properties | Metric | English | Comments |
---|---|---|---|
Acid Class, SR | 1.2 | 1.2 | |
Alkali Class, AR | 1.0 | 1.0 | |
Stain Resistance Class, FR | 0.00 | 0.00 |
Descriptive Properties | Value | Comments |
---|---|---|
B | 0 | |
Climatic Resistance Test CR | 1 | |
HG | 2 | |
K (10-6mm2/N) | 2.9 | |
Phosphate Resistance PR | 1 | |
T1013.0 (°C) | 569 | |
T107.6 (°C) | 725 |