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Alumina Crucible
An alumina crucible is a type of container used in high-temperature applications, particularly in laboratory and industrial settings. It is made from alumina (aluminum oxide, Al₂O₃), a ceramic material known for its excellent thermal stability, chemical resistance, and mechanical strength. Here are some key features and uses of alumina boat crucibles:
Key Features:
- High-Temperature Resistance: Alumina can withstand extremely high temperatures, often up to 1700°C (3092°F) or more, making it suitable for use in furnaces and other high-heat environments.
- Chemical Inertness: Alumina is resistant to most chemicals, including acids and alkalis, which makes it ideal for processes involving reactive substances.
- Mechanical Strength: Alumina boat crucibles are durable and can withstand physical stress, making them reliable for repeated use.
- Thermal Shock Resistance: They have good resistance to thermal shock, meaning they can endure rapid temperature changes without cracking.
Alumina Crucible Specifications
| Parameter | Specification |
|---|---|
| Material | 99.6% Alumina (Al2O3) |
| Maximum Size | Length 200MM |
| Capacity | Can be designed upon request |
| Resistance | Inert to hydrogen, carbon and refractory metals |
| Operating Temperature | Up to 1750°C |
| Working Environment | Both oxidizing and reducing atmospheres |
| Product Type | Combustion Boat |
Alumina Crucible Applications
It is the best equipment to perform processes such as chemical calcination, metal casting, and ceramic sample preparation in conventional industries. Because of its capacity to retain hardness at high temperatures, it is used in industrial furnaces. It is also utilized for high-temperature thermocouple protection. Because of its excellent corrosion resistance, it is used as a material in the chemical sector. It is widely employed in various labs, metal, non-metal sample analysis, melting materials, and industrial analysis. It is suitable for the melting of glass, especially borosilicate glass.
| Application Area | Specific Use |
|---|---|
| Metallurgy | Melting and casting of metals and alloys at high temperatures. |
| Ceramics Industry | Firing and sintering of ceramic materials. |
| Chemical Analysis | Sample preparation for chemical analysis, such as ash determination or fusion. |
| Material Research | High-temperature experiments and synthesis of advanced materials. |
| Glass Industry | Melting and processing of glass materials. |
| Semiconductor Industry | Crystal growth and processing of semiconductor materials. |
| Laboratory Use | High-temperature reactions, heat treatment, and thermal analysis (e.g., TGA). |
| Catalysis Studies | Testing and development of catalysts under high-temperature conditions. |
| Aerospace Industry | Testing materials for high-temperature stability and performance. |
| Nuclear Industry | Handling and processing of radioactive materials at high temperatures. |
Payment & Order Questions
Most Popular Questions
Alumina boats are primarily used in high-temperature applications such as sintering, annealing, and diffusion processes in industries like semiconductors, ceramics, and metallurgy. They are ideal for holding materials during thermal processing.
We offer a wide range of standard sizes and shapes, including rectangular, tubular, and custom designs. Dimensions can be tailored to meet specific customer requirements.
Our Alumina Boats can withstand temperatures up to 1700°C, making them suitable for most high-temperature industrial processes.
Standard orders typically ship within 2-3 weeks. For custom orders, lead times may vary depending on complexity and volume. Contact us for specific timelines.
Our technical team is available to assist you in selecting the right product based on your temperature requirements, chemical environment, and material compatibility. Provide us with your process details for tailored recommendations.
The lifespan depends on usage conditions such as temperature, chemical exposure, and mechanical stress. With proper care, Alumina Boats can last for hundreds of cycles.
Yes, we offer volume discounts for bulk orders. Please reach out to our sales team for a customized quote based on your order quantity.
Our Alumina Boats are manufactured to meet industry standards and can be provided with material certifications upon request. We adhere to strict quality control processes.
