High-quality Silicon Metal Powder For Refractory
Silicon metal powder has a high melting point, good thermal conductivity and is resistant to corrosion, making it an excellent choice for refractory applications.
Mô tả
Description
Silicon metal powder is a common ingredient in refractory materials due to its unique properties, such as high melting point, high thermal conductivity, and good oxidation resistance. When used in refractory materials, silicon metal powder is typically mixed with other materials, such as clay or alumina, and formed into bricks or other shapes that are used in high-temperature applications.
Advantages
High temperature resistance: Silicon metal powder has a high melting point and good oxidation resistance, making it ideal for use in refractory materials that are exposed to high temperatures and harsh environments.
Good thermal conductivity: Silicon metal powder has a high thermal conductivity, which helps to dissipate heat and prevent thermal shock in refractory materials.
Low coefficient of thermal expansion: Silicon metal powder has a low coefficient of thermal expansion, which helps to prevent cracking and deformation in refractory materials that are exposed to rapid temperature changes.
Corrosion resistance: Silicon metal powder has good corrosion resistance, making it useful in refractory materials for applications in harsh environments.
Durability: Silicon metal powder is a hard and durable material, which helps to increase the lifespan and performance of refractory materials.
Specification
| Parameter | Specification |
|---|---|
| Particle size | 1-50 microns |
| Purity | ≥99.9% |
| Specific surface area | 5-15 m²/g |
| Density | 2.33 g/cm³ |
| Melting point | 1,414 °C |
| Boiling point | 2,355 °C |
| Color | Gray |
| Crystal structure | Cubic |
| Solubility | Insoluble in water |
| Applications | Refractory materials, ceramics, electronics |


Applications
1. Kiln Furniture: Kiln furniture is used to support ceramic ware during firing. Silicon metal powder is used to make high-strength kiln furniture that can withstand high temperatures.
2. Crucibles: Crucibles are used for holding and melting metals, alloys, and other materials at high temperatures. Silicon metal powder is used to make high-quality crucibles that have excellent thermal and chemical resistance.
3. Castables: Castables are a type of refractory material that can be poured or cast into place. Silicon metal powder is used as an ingredient in castables to improve their mechanical properties and increase their resistance to thermal shock.
4. Insulating Materials: Silicon metal powder is sometimes used to make insulating materials that are used in high-temperature applications. These materials have low thermal conductivity and can withstand high temperatures without degrading.
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