Advance Technical Ceramic Wear Resistant Alumina Ceramic Plate
Description:
Alumina ceramic is with superior strength, hardness, insulation, thermal conductivity, high temperature, oxidation resistance, corrosion resistance, abrasion resistance, high temperature strength and other characteristics. It has been widely used in engineering, mechanical seals, electronics, intrumentation, sensing, transport, communications,and other occasions or areas. The content of 99.7%, 99.5%, 99%, 96% alumina products contain the crucible, sockets, valves, electrodes, spools, wear board, alumina balls, rings, electronic porcelain, textile porcelain pieces and other shaped pieces.
Technical Parameters:
Test item/Unit | Numerical Value | Test item/Unit | Numerical | ||||
Product Material | Alumina | Zirconia | Product Material | Alumina | Zirconia | ||
Component Content % | ≥99% | ≥95% | ≥90% | Volume Resistance MM | >1012 | >1012 | >1012 |
Sintering Temp ℃ | 1780-1800 | 1650-1680 | 1550-2600 | Bending Strength Mpa | 400 | 320 | 1100 |
Specific Gravity g/cm3 | ≥3.8 | ≥3.6 | >6 | Thermal Expansion Coefficient'10' | 6.8-8.0 | 6.2-8.5 | 6.9-10 |
Breakdown Voltage Strength kv/mm | 15 | 15 | 15 | Roughness um | ≤0.8 | ≤0.8 | ≤0.8 |
Bibulous Rate% | <0.01 | <0.01 | <0.01 | Mirror Polished Ra | ≤0.05 | ≤0.1 | ≤0.05 |
Anti Pressure Mpa | 3700Mpa | 2400Mpa | 5000Mpa | Thermal Conductivity W/m.k | 25 | 20 | 25 |
Hardness Hra | ≥88 | ≥82 | ≥88 | Temperature Resistance ℃ | 1700 | 1600 | 1800 |
Advantages:
1.High strength and hardness.
2. Good wear resistance.
3. Insulation, corrosion resistance.
4. High lubrication and low resistance.
Application:
1.Ceramics, mines and other grinding equipment lining.
2·Material thansfer equipment.
3·inside and outside surface of powder separating equipment on iron and steel works.
4·Thermal and power plants.
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