| Category | Ceramic , Glass |
| Manufacturer | Schott North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott Glass 8687 Borosilicate Glass.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.25 g/cc @Temperature 25.0 °C |
0.0813 lb/in³ @Temperature 77.0 °F |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Modulus of Elasticity | 66.0 GPa | 9570 ksi | |
| Poissons Ratio | 0.20 | 0.20 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 3.90 µm/m-°C @Temperature 20.0 - 300 °C |
2.17 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 | 775 °C | 1430 °F | Viscosity 10<sup>7.6</sup> dPa s; ISO 7884-3 |
| Working Point | 1135 °C | 2075 °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 | 1.479 @Wavelength 587.6 nm |
1.479 @Wavelength 587.6 nm |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 7.90e+6 ohm-cm @Temperature 350 °C |
7.90e+6 ohm-cm @Temperature 662 °F |
|
| 2.00e+8 ohm-cm @Temperature 250 °C |
2.00e+8 ohm-cm @Temperature 482 °F |
||
| Dielectric Constant | 4.9 @Frequency 1.00e+6 Hz, Temperature 25.0 °C |
4.9 @Frequency 1.00e+6 Hz, Temperature 77.0 °F |
|
| Dielectric Loss Index | 0.0036 @Frequency 1.00e+6 Hz, Temperature 25.0 °C |
0.0036 @Frequency 1.00e+6 Hz, Temperature 77.0 °F |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 3 | 3 | DIN 12116 |
| Alkali Class, AR | 3 | 3 | ISO 695 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Hydrolytic Resistance | Class HGB 4 | ISO 719 |
| Stress-optical Coefficient K (10-6mm2N-1) | 3.6 | DIN 52314 |
| tk100(°C) | 300 |