| Customization: | Available |
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| Application: | Aerospace, Architectural, Ceramic Decorations, Electronics, Home Use, Medical, Refractory, Semiconductor |
| Purity: | 99% |
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99% Alumina Ceramic Trays For Powder MIM (Metallurgy Injection Moulding)Product Features
Our 99% Alumina Ceramic Trays exhibits outstanding resistance to thermal shock and high-temperature creep, with high density and no volatilization of other impurities. It has a long service life, a delicate product surface, high strength, and is resistant to deformation.
Application Scope
Our 99% Alumina Ceramic Tray is characterized by excellent resistance to thermal shock and high-temperature creep, high density, and no volatilization of other impurities. It has a long service life, a delicate product surface, high strength, and is resistant to deformation.
Suitable for MIM (Metallurgy Injection Moulding) stainless steel sintering.
The 99% alumina ceramic plate is a high-performance, refractory-grade ceramic component specifically designed for sintering applications in metal injection molding (MIM) and powder metallurgy (PM) processes. Made from high-purity aluminium oxide (AlO ≥ 99%), this plate offers excellent thermal stability, high mechanical strength, chemical inertness, and superior wear resistance, making it ideal for repeated use in high-temperature industrial environments.
These plates are capable of withstanding continuous operating temperatures up to 1600°C, ensuring dimensional stability and flatness under extreme thermal cycling. The fine-grained microstructure and low porosity of the ceramic surface help prevent contamination and interaction with the metal powders during sintering, ensuring high part quality and consistent results. The chemical inertness of 99% alumina prevents reactions with common binders and alloy components used in MIM and PM feedstocks.
In MIM applications, these plates serve as setter plates to support complex, precision-shaped components during debinding and sintering. In powder metallurgy, they provide a flat, stable base for compacted metal powders to fuse uniformly under controlled atmospheres. The high hardness and abrasion resistance of the alumina surface also help maintain the integrity of the sintered components and reduce the risk of distortion or mechanical damage.
Available in a wide range of standard and custom dimensions, these plates can be tailored to specific furnace designs or part geometries. Optional features such as surface texturing, notching, or machining for better airflow and alignment are also available upon request.
99% alumina ceramic plates are widely used in industries such as aerospace, automotive, medical device manufacturing, electronics, and new energy materials. Their long service life, thermal reliability, and compatibility with precision sintering processes make them an indispensable tool in advanced materials manufacturing.
Technical Parameters
| Al2O3(%) | 99.0 |
| Fe2O3(%) | < 0.03 |
| MgO (%) | 0.25 |
| Na2O(%) | <0.016 |
| Vickers Hardness (Gpa) | 14.5 |
| Flexural Strength (Mpa) | 320 - 340 |
| Fracture Toughness (Mpa√m) | 2.0 - 2.5 |
| Temperature Limit (˚C) | 1650 |
| Thermal Expansion Rate x 10-6 at 1000 ˚C | 7.6 |
| Dielectric Strength (Kv/mm) | 10.0 |
| Bulk Density (g/cm3) | 3.90 |
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