99 Al2O3 99.7 Alumina Ceramic Holed Plate
- Brand Name
- 3X Ceramic Parts
- Material Type
- 99.5% alumina ceramic
- Forming Way
- isostatic pressing
- MOQ
- 2 pcs
- Specification
- custom make
- Density
- 3.92g/cm3
- Main Property
- high temperature resistant
- Machining Way
- cnc machining
- Max working temperature
- 1750 ℃
- Tolerance
- 0.005mm
- Delivery Time
- 15 days around
- Shipping Way
- by express
- HS CODE
- 8547100000
99 Al2O3 99.7 Alumina Ceramic Holed Plate
Alumina Ceramic Holed plate forming way is isostatic pressing which with higher density , zero porosity . The holes are machined by cnc machining . We could reach high tolerance for machining such type of alumina ceramic plate , as fine as 0.005mm. It is used for high temperature resistant application , also it is wear resistant , electrical insulating , and high strength .
The technical datasheet of alumina ceramic material :
| Properties | Units | 95 Alumina | 99 Alumina |
| Density | g / cm³ | 3.65 | 3.92 |
| Water absorption | % | 0 | 0 |
| Coefficient of thermal expansion | 10-6/K | 7.9 | 8.5 |
| Modulus of Elasticity Young's Mod | GPa | 280 | 340 |
| Poisson's ratio | / | 0.21 | 0.22 |
| HV Hardness HV | MPa | 1400 | 1650 |
| Flexural Strength @ room temperature | MPa | 280 | 310 |
| Flexural Strength @700°C | MPa | 220 | 230 |
| Compressive Strength @ room temperature | MPa | 2000 | 2200 |
| Fracture Toughness | MPa *m 1/2 | 3.8 | 4.2 |
| Heat conductivity @ room temperature | W/ m*k | 18-25 | 26-30 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1016 |
| Max use temperature | °C | 1500 | 1750 |
| Resistance to acid alkaline | / | high | high |
| Dielectric Constant | / | 9 | 9.6 |
| Dielectric Strength | KV/mm | 8.3 | 8.7 |
| Thermal Shock Resistance | △ T ( °C ) | 220 | 180-200 |
| Tensile Strength @ 25 °C | MPa | 200 | 248 |
