| Category | Ceramic , Glass , Glass Ceramic , Optical |
| Manufacturer | Schott North America |
| Trade Name | Dark ROBAX® |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott Dark ROBAX® Glass Ceramic.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.59 g/cc | 0.0936 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Modulus of Elasticity | 95.0 GPa | 13800 ksi | |
| Flexural Strength | 85.0 - 135 MPa | 12300 - 19600 psi | |
| Poissons Ratio | 0.25 | 0.25 | |
| Shear Modulus | 38.0 GPa | 5510 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | -0.150 - 0.150 µm/m-°C @Temperature 20.0 - 700 °C |
-0.0833 - 0.0833 µin/in-°F @Temperature 68.0 - 1290 °F |
|
| Specific Heat Capacity | 0.810 J/g-°C @Temperature 20.0 - 100 °C |
0.194 BTU/lb-°F @Temperature 68.0 - 212 °F |
|
| Thermal Conductivity | 1.60 W/m-K @Temperature 100 °C |
11.1 BTU-in/hr-ft²-°F @Temperature 212 °F |
|
| Maximum Service Temperature, Air | 700 °C | 1290 °F | 100 to 10,000 hr, depends on temperature gradient |
| 800 °C | 1470 °F | <100 hr, depends on temperature gradient |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| IR Transmittance | 90 % | 90 % | transparent; thickness not quantified |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 200000 ohm-cm @Temperature 350 °C |
>= 200000 ohm-cm @Temperature 662 °F |
|
| >= 5.00e+6 ohm-cm @Temperature 250 °C |
>= 5.00e+6 ohm-cm @Temperature 482 °F |
||
| 1.00e+8 ohm-cm @Temperature 170 °C |
1.00e+8 ohm-cm @Temperature 338 °F |
||
| Dielectric Constant | 7.8 | 7.8 | |
| Dissipation Factor | 0.020 | 0.020 |