95% 99% Al2O3 Aluminum Oxide Ceramic Part
Industrial Electrical Insulation 95% 99% Al2O3 Alumina Ceramic Part
95%, 96%, 99%, 99.5%, 99.8%. The surface finish of alumina ceramic rods can be as fired, fine grinding or polishing, the geometry can be machined into tight tolerance to meet high fitting requirements. Besides, thread can be machined on the both ends of alumina ceramic rods for fastening purpose. No matter small quantity for prototype or big quantity for batch production, we are always ready to provide our service.
Features:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products and electric heating products
7) OEM, ODM and OBM are welcomed
| Properties | Unit | Steatite ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic |
| Density | g/cm³ | 2.8 | 3.6 | 3.8 | 5.6 |
| Flexural strength | Mpa | 145 | 300 | 300 | 354 |
| Max Working Temperature | ℃ | 1100 | 1400 | 1600 | 1400 |
| Sintering temperature | ℃ | 1350 | 1700 | 1750 | 1550 |
| Heat resistance | T(℃) | 200 | 220 | 200 | 350 |
| Hardness | Gpa | 5.7 | 7 | 10.7 | 12.3 |
| Elastic modulus | Gpa | 120 | 275 | 320 | 205 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 | 0.30 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 | 9 |
| Insulation breakdown Intensity | KT/mm | 10 | 16 | 18 | 15 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 | 2.5 |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.4 |
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