Insulation resistant Alumina 99 ceramic led wafer parts / rounds Al2O3 95% spacer / disk
Product Description
Advantages of Alumina ceramic wafer / rounds / spacer / disk:
1. Refractory.
2. Long Service Life.
3. Good Polished Surface.
4. Environmental and Healthy.
5. Superior Mechanical Strength.
6. High Corrosion and Wear Resistance.
7. Good Insulation Performance Precision.
8. High Temperature and Pressure Resistance.
9. High Purity Zirconia and Alumina Ceramic Material.
- High hardness, long service life, not easy to break and wear resistance.
- Non-conductive, anti-static, ceramic material itself with the insulation of electricity and magnetism properties.
- Corrosion resistance, high temperature resistance, can be applied to a specific environment, such as acid and alkali resistance.
Properties Sheet:
| Properties | Units | 95 Alumina | 99 Alumina | Zirconia |
| Density | ɡ / cm3 | 3.65 | 3.92 | 5.95 - 6.0 |
| Water Absorption | ％ | 0 | 0 | 0 |
| Coefficient of Thermal Expansion | 10-6 / K | 7.9 | 8.5 | 10.5 |
| Modulus of Elasticity Young’s Mod | Gpa | 280 | 340 | 210 |
| Poisson’s Ratio | / | 0.21 | 0.22 | 0.3 |
| HV Hardness | Mpa | 1400 | 1650 | 1300 - 1365 |
| Flexural Strength @ Room Temperature | Mpa | 280 | 310 | 950 |
| Flexural Strength @ 700℃ | Mpa | 220 | 230 | 210 |
| Compressive Strength@Room Temperature | Mpa | 2000 | 2200 | 2000 |
| Fracture Toughness | Mpa * m½ | 3.8 | 4.2 | 10 |
| Heat Conductivity @ Room Temperature | W / m * k | 18 - 25 | 26 - 30 | 2.0 - 2.2 |
| Electrical Resistivity @ Room Temperature | Ω*mm2 / m | ＞1015 | ＞1016 | ＞1015 |
| Max Application Temperature | ℃ | 1500 | 1750 | 1050 |
| Resistance to Acid Alkaline | / | High | High | High |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV / mm | 16 | 22 | / |
| Thermal Shock Resistance | Δ T ( ℃ ) | 220 | 180 - 200 | 282 - 350 |
| Tensile Strength @ 25℃ | Mpa | 200 | 248 | 252 |
Detailed Images
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Packaging and Shipping
Insulation resistant wafer will be packed in a bubble bag individually, then separated by a foam, finally put in standard export carton packing, or OEM packing.
Shipped by Express ( DHL, TNT, UPS, Fedex, EMS ), Air, or Sea transportation.
Company information
Who Are We?
Mingrui has professional OEM experience in manufacturing industrial ceramic parts for so many
years. We can make the products according to your drawings, custom the size, thickness and other parameters.
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What Do We Do?
We have very advanced technologies in the production of zirconia and alumina ceramic nozzle, rod, ring, tube, shaft, plate, sleeve, valve, plunger, bearing, and semiconductive ceramics etc.. They are applicable to Electrical, Appliance, Oil & Gas, Energy & Power, Food & Medical, Agriculture, Aerospace,
even other High-end fields.
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Our products with some certificates, such as , CE, TUV, etc..
Factory Show
Production Process Show
One-stop production, from the raw material powder to final products, control the quality strickly of every production link.
Product Tags:
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Insulation Resistant Alumina 99 Ceramic Led Wafer Parts / Rounds Al2O3 95% Spacer / Disk Images
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