General specification(single OD*double OD): 8×17mm、11×23mm、15×33mm
MP:1750℃
Usage:Heating tube,Electric heating tube,Electric Oven etc
Adevantage:Surface smooth,transparent,high purity,thermostability,corrosion resistance
| Physical Properties |
| United States Common Criteria |
G214 |
G219 |
G254 |
| Density(g/cc) |
2.21 |
2.21 |
2.21 |
| Thermal Expansion Coefficient (cm/cm℃) |
5.5×10-7 |
5.9×10-7 |
6.7×10-7 |
| Softening Point(℃) |
1683 |
1660 |
1615 |
| Annealing Point(℃) |
1215 |
1204 |
1163 |
| Deformation Point(℃) |
1120 |
1106 |
1066 |
| Refractive Index |
1.4585 |
1.456 |
1.46 |
| Heat Capacity(j/kg0k) |
670 |
700 |
690 |
| MPA(Pa) |
＞1.1×109 |
0.94×109 |
0.55×109 |
| Young's Modulus(Pa) |
7.2×1010 |
7.5×1010 |
7×1010 |
| Resistivity(ohm cm@350℃) |
7×109 |
2.5×1010 |
5×1010 |
| Dielectric Constant(@1MHz) |
3.75 |
5.8 |
6 |
