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Schott Glass 8337B Borosilicate 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 |
| Download PDF | Schott Glass 8337B Borosilicate Glass.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Borosilicate glass for sealing to Kovar metal and tungsten, highly UV-transmitting photomultiplier and UV detectors The heavy metal content for the elements lead, cadmium, mercury, and hexavalent chromium is below 100 ppmInformation provided by SCHOTT AG.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.22 g/cc @Temperature 25.0 °C |
0.0802 lb/in³ @Temperature 77.0 °F |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Modulus of Elasticity | 51.0 GPa | 7400 ksi | |
| Poissons Ratio | 0.22 | 0.22 | |
| Shear Modulus | 20.9 GPa | 3030 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 4.10 µm/m-°C @Temperature 20.0 - 300 °C |
2.28 µin/in-°F @Temperature 68.0 - 572 °F |
ISO 7991 |
| Thermal Conductivity | 1.00 W/m-K @Temperature 90.0 °C |
6.94 BTU-in/hr-ft²-°F @Temperature 194 °F |
|
| Transformation Temperature, Tg | 440 °C | 824 °F | ISO 7884-8 |
| Softening Point | 705 °C | 1300 °F | Viscosity 10<sup>7.6</sup> dPa s; ISO 7884-3 |
| Working Point | 1085 °C | 1985 °F | Viscosity 10<sup>4</sup> dPa s; ISO 7884-2 |
| Annealing Point | 465 °C | 869 °F | Viscosity 10<sup>13</sup> dPa s; ISO 7884-4 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.476 @Wavelength 587.6 nm |
1.476 @Wavelength 587.6 nm |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 3.20e+7 ohm-cm @Temperature 350 °C |
3.20e+7 ohm-cm @Temperature 662 °F |
|
| 1.60e+9 ohm-cm @Temperature 250 °C |
1.60e+9 ohm-cm @Temperature 482 °F |
||
| Dielectric Constant | 4.7 @Frequency 1.00e+6 Hz, Temperature 25.0 °C |
4.7 @Frequency 1.00e+6 Hz, Temperature 77.0 °F |
|
| Dielectric Loss Index | 0.0022 @Frequency 1.00e+6 Hz, Temperature 25.0 °C |
0.0022 @Frequency 1.00e+6 Hz, Temperature 77.0 °F |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 4 | 4 | DIN 12116 |
| Alkali Class, AR | 3 | 3 | ISO 695 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Hydrolytic Resistance | Class HGB 3 | ISO 719 |
| Stress-optical Coefficient K (10-6mm2N-1) | 4.1 | DIN 52314 |
| tk100(°C) | 315 |
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