Crucible Alumina

Crucible Alumina

Alumina crucibles are highly valued in various industries due to their exceptional material properties. Made from high-purity alumina (Al₂O₃), these crucibles offer remarkable advantages, making them indispensable in high-temperature applications.

1. High Thermal Stability: Alumina crucibles can withstand extreme temperatures, often exceeding 1700°C, without deforming or melting. This makes them ideal for use in processes that involve intense heat.

2. Chemical Inertness: Alumina is highly resistant to corrosion and chemical reactions with most acids, bases, and molten metals. This inertness ensures that the crucible does not contaminate the contents, maintaining the purity of the materials being processed.

3. High Mechanical Strength: The high density and mechanical strength of alumina make these crucibles durable and resistant to wear, even under harsh operating conditions.

4. Excellent Thermal Shock Resistance: Alumina crucibles can endure rapid temperature changes without cracking or breaking, which is crucial in processes that involve frequent heating and cooling cycles.

5. Low Thermal Conductivity: Alumina has low thermal conductivity, which helps in maintaining consistent temperatures within the crucible, thus ensuring uniform processing conditions.

1. Metallurgy: Alumina crucibles are extensively used in the smelting and refining of metals, especially in the production of high-purity metals where contamination must be avoided.

2. Ceramics and Glass Manufacturing: Alumina crucibles are used in the production and processing of ceramics and glass materials due to their ability to withstand high temperatures and their resistance to reactive materials.

3. Chemical Processing: In chemical laboratories and industrial processes, alumina crucibles are employed for high-temperature chemical reactions, material synthesis, and the handling of corrosive substances.

4. Materials Testing: Alumina crucibles are used in laboratories for testing the thermal and chemical properties of materials, particularly at elevated temperatures.

5. Semiconductor Industry: In the production of semiconductor devices, alumina crucibles are used for growing crystals and in processes that require precise temperature control and purity.

1. In our forging and experimental processes, alumina crucible are commonly used equipment. In order to ensure the normal use of the product, it is necessary to master the correct usage method. Below is a brief introduction.

2. When there is a solid to be heated with high heat, use a crucible. When using alumina crucible, the crucible cover is usually placed diagonally on the crucible to prevent heated objects from jumping out and allow air to freely enter and exit for possible oxidation reactions. The crucible, due to its small bottom, usually needs to be placed on a mud triangle to be heated directly by fire. The crucible can be placed directly or diagonally on an iron tripod, and can be placed on its own according to experimental needs.

3. After heating, do not immediately place the alumina crucible on a cold metal tabletop to prevent it from cracking due to rapid cooling. It should not be placed immediately on wooden tabletops to prevent scalding or fire. The correct approach is to leave it on an iron tripod for natural cooling, or place it on an asbestos mesh to allow it to cool slowly. Please use crucible pliers for the retrieval of the crucible.

Alumina ceramic performance index  (Notice of Correct in Leakeage Rate）

Jinzhou Yunxing Industrial Ceramics Co., Ltd. was established in 2000, mainly producing various types of tubular ceramic products and various industrial parts with alumina content above 99.3%. The factory covers an area of 4000 square meters.

The company's main products are: alumina ceramic tubes, alumina ceramic crucibles, alumina ceramic rods, alumina ceramic boats, alumina ceramic plates, alumina ceramic parts, etc.

The company currently has 3 1800 ° C high-temperature furnaces and 2 1400 ° C low-temperature kilns independently designed and manufactured. The molding process is mainly based on grouting molding, and has other molding process equipment such as extrusion and hot die casting.
The company has 105 employees, including one senior ceramic engineer, three engineers, six overseas sales staff, and four professional after-sales staff.

A: Alumina crucibles is a container made of aluminum oxide undefined material, designed to withstand extremely high temperatures and used for melting and holding molten materials.

A: Alumina crucibles offer excellent thermal shock resistance, excellent undefined resistance, and excellent thermal insulation. They are as wel non-reactive, non-toxic, and non-porous.

A: Alumina crucibles can be used to melt metals, alloys.

A: Alumina crucibles come in a variety of sizes, ranging from 10ml to 1000ml.

1. If you have any questions or questions, please contact us and we will communicate with you as soon as possible.

2. For any other satisfaction, please also feedback to us to make our service better and better.