| Category | Ceramic , Glass , Oxide , Silicon Oxide |
| Manufacturer | Momentive Performance Materials (Former GE Quartz) |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Momentive Performance Materials Type 219 Fused Quartz Tubing.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.21 g/cc | 0.0798 lb/in³ | |
| Viscosity | 5.60e+14 cP @Temperature 1100 °C |
5.60e+14 cP @Temperature 2010 °F |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Knoop Microhardness | 570 | 570 | kg/mm² |
| Hardness, Mohs | 5.5 - 6.5 | 5.5 - 6.5 | (Type 214) |
| Modulus of Elasticity | 75.0 GPa | 10900 ksi | Young's Modulus |
| Compressive Strength | 94.0 MPa | 13600 psi | design compressive strength |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 0.400 µm/m-°C @Temperature 20.0 °C |
0.222 µin/in-°F @Temperature 68.0 °F |
|
| 0.450 µm/m-°C @Temperature 1000 °C |
0.250 µin/in-°F @Temperature 1830 °F |
||
| 0.600 µm/m-°C @Temperature 500 °C |
0.333 µin/in-°F @Temperature 932 °F |
||
| 0.700 µm/m-°C @Temperature 250 °C |
0.389 µin/in-°F @Temperature 482 °F |
||
| Specific Heat Capacity | 0.700 J/g-°C @Temperature 0.000 - 50.0 °C |
0.167 BTU/lb-°F @Temperature 32.0 - 122 °F |
|
| Thermal Conductivity | 1.40 W/m-K | 9.72 BTU-in/hr-ft²-°F | |
| Softening Point | 1660 °C | 3020 °F | |
| Annealing Point | 1204 °C | 2199 °F | |
| Strain Point | 1106 °C | 2023 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.456 | 1.456 | |
| Transmission, Visible | 92 % | 92 % | Entire visible spectrum; 1 mm thickness (includes surface reflection losses) |
| IR Transmittance | 93 % @Wavelength <=2500 nm, Thickness 1.00 mm |
93 % @Wavelength <=2500 nm, Thickness 0.0394 in |
Very wavelength dependent - drop begins above 2500 nm and cutoff almost complete at 4200 nm; (includes surface reflection losses) |
| UV Transmittance | 0.00 % @Wavelength <=220 nm, Thickness 1.00 mm |
0.00 % @Wavelength <=220 nm, Thickness 0.0394 in |
Highly wavelength dependent - cutoff below 220 nm; (includes surface reflection losses) |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 2.50e+10 ohm-cm @Temperature 350 °C |
2.50e+10 ohm-cm @Temperature 662 °F |
|
| Dielectric Constant | 5.8 @Frequency 1e+6 Hz |
5.8 @Frequency 1e+6 Hz |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Clear |