Silicon Carbide Powder For Precision Polishing
It's important to store SiC powder in a cool, dry place away from direct sunlight and other heat sources. Exposure to moisture or high temperatures can cause the powder to degrade or clump together, reducing its effectiveness as an abrasive material.
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Description
Silicon carbide (SiC) powder is an effective abrasive material for precision polishing due to its exceptional hardness and durability. SiC is a synthetic material that is made by combining silicon and carbon at high temperatures. The resulting material is extremely hard and has excellent abrasion resistance, making it ideal for use in precision polishing applications.
SiC powder can be used in a variety of polishing processes, including lapping, grinding, and polishing. It can be applied to a wide range of materials, including metals, ceramics, and semiconductors. The powder is typically mixed with a liquid or paste to create a slurry that is then applied to the surface to be polished.
One of the main advantages of using SiC powder for precision polishing is its ability to produce a smooth and uniform surface finish. SiC particles have a sharp and angular shape, which allows them to remove material quickly and efficiently. This results in a polished surface that is free of scratches, pits, and other defects.
Another advantage of SiC powder is its compatibility with a wide range of polishing materials and techniques. It can be used with both hard and soft polishing pads and can be applied using both mechanical and chemical polishing methods. This makes it a versatile and flexible material that can be tailored to specific polishing applications.
Specification
| Property | Value |
|---|---|
| Purity | ≥99% |
| Average Particle Size (μm) | 1-10 |
| Specific Surface Area (m2/g) | 10-25 |
| Density (g/cm3) | 3.2-3.3 |
| Mohs Hardness Scale | 9.5 |
| Color | Green or Black |
| Crystal Structure | Hexagonal (6H-SiC) or Cubic (3C-SiC) |
| Thermal Conductivity (W/mK) | 120-200 |
| Coefficient of Thermal Expansion (10-6/K) | 4.0-4.5 |
Packing
Silicon carbide (SiC) powder is typically packed in sealed, airtight containers to protect the powder from moisture and other contaminants. The containers may be made of various materials such as plastic, metal, or glass, depending on the intended use and storage requirements.
For bulk orders, SiC powder may be packed in larger containers such as drums or bags. These containers are typically sealed and labeled with important product information such as the product name, manufacturer, batch number, and expiration date.
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