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Schott Glass 8347 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 8347 Borosilicate Glass.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Borosilicate glass 3.3 acc. To ISO 3585, chemically and thermally highly resistant, highly UV-transmitting The heavy metal content for the elements lead, cadmium, mercury, and hexavalent chromium is less than 100 ppmInformation provided by SCHOTT AG.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.23 g/cc @Temperature 25.0 °C |
0.0806 lb/in³ @Temperature 77.0 °F |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Modulus of Elasticity | 63.0 GPa | 9140 ksi | |
| Poissons Ratio | 0.20 | 0.20 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 3.30 µm/m-°C @Temperature 20.0 - 300 °C |
1.83 µin/in-°F @Temperature 68.0 - 572 °F |
ISO 7991 |
| Thermal Conductivity | 1.20 W/m-K @Temperature 90.0 °C |
8.33 BTU-in/hr-ft²-°F @Temperature 194 °F |
|
| Transformation Temperature, Tg | 525 °C | 977 °F | ISO 7884-8 |
| Softening Point | 825 °C | 1520 °F | Viscosity 10<sup>7.6</sup> dPa s; ISO 7884-3 |
| Working Point | 1260 °C | 2300 °F | Viscosity 10<sup>4</sup> dPa s; ISO 7884-2 |
| Annealing Point | 560 °C | 1040 °F | Viscosity 10<sup>13</sup> dPa s; ISO 7884-4 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.473 @Wavelength 587.6 nm |
1.473 @Wavelength 587.6 nm |
|
| UV Transmittance | <= 70 % @Thickness 1.00 mm, Wavelength 254 nm |
<= 70 % @Thickness 0.0394 in, Wavelength 254 nm |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 3.20e+6 ohm-cm @Temperature 350 °C |
3.20e+6 ohm-cm @Temperature 662 °F |
|
| 1.00e+8 ohm-cm @Temperature 250 °C |
1.00e+8 ohm-cm @Temperature 482 °F |
||
| Dielectric Constant | 4.6 @Frequency 1.00e+6 Hz, Temperature 25.0 °C |
4.6 @Frequency 1.00e+6 Hz, Temperature 77.0 °F |
|
| Dielectric Loss Index | 0.0037 @Frequency 1.00e+6 Hz, Temperature 25.0 °C |
0.0037 @Frequency 1.00e+6 Hz, Temperature 77.0 °F |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 1 | 1 | DIN 12116 |
| Alkali Class, AR | 2 | 2 | ISO 695 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Hydrolytic Resistance | Class HGB 1 | ISO 719 |
| Stress-optical Coefficient K (10-6mm2N-1) | 4 | DIN 52314 |
| tk100(°C) | 250 |
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