Industrial Insulation Aluminum Oxide Ceramic Heat Resistance Wear Resistance
1.Description
1. Name: Alumina Ceramic Parts
2. Size: as customers' drawing
3. Al2O3 Content: 95%/99% alumina
4. Color: white or ivory
5. Working Temperature: 1600-1700 degree
6. Feature: high mechanical strength, good insulation&high wear resistant, etc.
7. Application: for refractory furnace or kiln, electron vacuum decices, spaceflights, pharmaceutical engineerings or other mechanical applications
2.Feature
1) Satisfy various technical request
2) Good insulation performance and high temperature resistance
3) Stiffness texture
4) High strength
5) Used in all electric products, electric heating products and wear resistant machinery parts.
6) OEM, ODM and OBM are welcomed
We can supply the products according to customer's drawings, samples and performance requirement.
| Performance For Industrial Ceramic |
| Item | | Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 | 99 Al2O3 |
| Physical Characteristics | Heat resistance | 0C | 1100 | 1500 | 1550 | 1800 |
| Bulk density | g/cm3 | 2.7 | 3.6 | 3.6 | 3.9 |
| Water absorption | % | 0 | 0 | 0 | 0 |
Mechanical Characteristics | Flexural strength | Mpa | 145 | 320 | 340 | 360 |
| Hardness vickers | Gpa | 5.7 | 12.2 | 13.5 | 15.6 |
| Elastic modulus | Gpa | 120 | 280 | 320 | 370 |
| Poisson’s ratio | | 0.21 | 0.22 | 0.23 | 0.23 |
| Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/0C | 7.9 | 7.1 | 7.2 | 8 |
| Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | 32 |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.9 |
| Electrical Characteristics | Dielectric constant (1MHZ) | - | 6.2 | 9 | 9.4 | 9.9 |
| Dielectric loss angle | *10-4 | 18 | 15 | 5 | 1 |
| Dielectric strength | *106V/m | 18 | 12 | 15 | 15 |
| Processing technology |
| Process range (mm) |
| Outside Diameter | 1---300 |
| Inside Diameter | 0.5---300 |
| Length | 0.5---1200 |
| Accuracy of working (mm) |
| Perpendicularity | 0.01 |
| Concentricity | 0.01 |
| Roundness | 0.005 |
| Straightness | 0.005 |
| Parallelism | 0.01 |
| Planeness | 0.005 |
| Roughness | 0.05 |
| Fit clearance | 0.005 |
We can supply the products according to customer's drawings, samples and performance requirement.
