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Black Silicon Carbide

Black Silicon Carbide (SiC) is a highly durable, synthetic abrasive material produced by the fusion of high-purity silica sand and petroleum coke in an electric arc furnace. Its extreme hardness, chemical inertness, and thermal conductivity make it an ideal abrasive for a wide range of industrial applications, including grinding, cutting, polishing, and surface preparation. Black Silicon Carbide is widely used in industries such as metalworking, ceramics, and electronics due to its ability to machine hard materials and withstand high temperatures.

  • Product Category: Abrasive & Material
  • Key Features:
  • Extreme Hardness: With a Mohs hardness of 9.2-9.5, Black Silicon Carbide is one of the hardest industrial abrasives available, second only to diamond and cubic boron nitride.
  • High Thermal Conductivity: Offers excellent heat dissipation, making it suitable for high-temperature applications and efficient grinding.
  • Chemical Inertness: Resistant to most acids and alkalis, ensuring stability during use in harsh environments.
  • Low Density: Lighter than other abrasives such as aluminum oxide, providing easier handling and lower energy consumption in blasting and grinding processes.
  • Sharp Cutting Ability: The angular shape and hardness make Black Silicon Carbide ideal for fast material removal in grinding and cutting applications.
Applications:

Abrasive Grinding and Cutting: Used in the manufacture of grinding wheels, cutting wheels, and other bonded abrasives for metal, stone, and ceramics.

Abrasive Blasting: Commonly used in sandblasting for surface preparation, cleaning, and polishing hard surfaces such as metals and ceramics.

Ceramics Industry: As a raw material for producing ceramic parts, kiln furniture, and refractory products due to its high-temperature resistance.

Electronics Industry: Employed as a semiconductor material and for polishing and grinding semiconductor wafers in the production of electronic components.

Foundries and Metallurgy: Used as a deoxidizing agent in the steelmaking process and in the production of non-ferrous metal castings.

Surface Finishing: Applied for lapping, polishing, and precision surface finishing in industries requiring high surface quality and precision.

Technical Specifications:

Chemical Composition:

SiC (Silicon Carbide): ≥ 98%

Free Carbon: ≤ 0.5%

Fe₂O₃ (Iron Oxide): ≤ 0.2%

Hardness: Mohs hardness of 9.2-9.5

Density: 3.1-3.2 g/cm³

Grain Size: Available in various grit sizes from F16 to F220 (customizable based on application)

Melting Point: ~2700°C

Shape: Angular particles for superior cutting performance

Advantages:

Efficient Material Removal: Black Silicon Carbide’s sharp, angular grains provide fast cutting action, reducing grinding time and improving productivity.

Thermal Stability: Performs well in high-temperature environments, making it ideal for applications like refractory products and metal casting.

Wear Resistance: High hardness and low friability ensure long-lasting abrasive performance, reducing the need for frequent replacement.

Versatile Applications: Suitable for a wide variety of industries, including metalworking, ceramics, and electronics, where precision and durability are required.

Packaging: Available in 25 kg bags, 500 kg jumbo bags, or as per customer requirements.

Storage:

Store in a cool, dry place. Avoid exposure to moisture to maintain product efficacy.

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