Alumina Ceramic Polishing Plate φ400mm with 96-99% Purity, 1600-1650°C Temperature Resistance
High-performance alumina ceramic wafers designed for precision applications requiring exceptional hardness, wear resistance, and thermal stability.
| Property | Unit | 96% Alumina | 99% Alumina |
|---|---|---|---|
| Density | g/cm³ | 3.7 | 3.85 |
| Alumina Content | % | 96% | 99% |
| Flexural Strength (20°C) | MPa | 300 | 330 |
| Compressive Strength (20°C) | MPa | 2000 | 2000 |
| Maximum Use Temperature | °C | 1600 | 1650 |
| Thermal Conductivity | W/(m·K) | 25 | 27.5 |
| Dielectric Strength | KV/mm | >12 | >10 |
| Materials Available | Zirconia, Alumina, Silicon Nitride, Machinable Ceramic |
| Length Range | 10mm - 200mm |
| Outer Diameter Range | 0.3mm - 30mm |
| Tolerance | ±0.001mm |
| Surface Roughness | Ra 0.05 |
| Maximum Plate Size | φ400 mm (φ16 inch) |
Wuxi Special Ceramic Electrical Co., Ltd specializes in manufacturing alumina, silicon nitride, zirconia, steatite, boron nitride, cordierite, and mullite products. Our ceramics are widely used in metal welding, electronic conductors, mechanical assemblies, insulation systems, chemical processing, instrumentation, textile machinery, nuclear industry, and aerospace applications.
We offer custom manufacturing services based on drawings or samples, with trial production typically completed within 15 days and mass production within 30 days. Our products meet international quality standards and are exported to major markets including Japan and Europe.
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