Introduction
TechCeramic makes high quality synthetic ruby balls, sapphire balls, these balls have excellent hardness, corrosion resistance and high temperatures resistance properties, good wear resistance and dimensional stability.
Size and Grade
Dia. 0.2mm-18mm, in G5, G10, G15, G25, G50 per A.F.B.M.A. standards
*Blind holes or through holes also available upon request
Applications
- Measuring stylus
- Flow meters
- Check valves
- Fiber optic lenses
Property
Material |
Ruby |
Bulk Density g/cm3 |
3.98 |
Young's modulus GPa |
420 |
Specific heat J/kg-K |
750 |
Coefficient of linear thermal expansion
10^-6/ºC |
5.8 |
Thermal Conductivity (20℃) W/m·k |
39.0 |
Volume resistivity Ω*m |
> 10^14 |
Hardness HV |
1570 - 2170 |
Compressive strength MPa |
2030 - 2130
|
Service temperature ºC
|
-196 / 1750 |
