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Nanometer Silicon Carbide Powder, SiC, CAS 409-21-2


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Nanometer Silicon Carbide (SiC) Powder is a type of ceramic powder that is made up of silicon carbide particles that are ultra-fine in diameter. Heeger Materials provides the best quality and customized Nanometer Silicon Carbide (SiC) Powder with particle sizes ranging from 450~750 nm at a competitive price. The purity and particle size can be customized.

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Data sheet

Purity99.9% - 99.999%

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Nanometer Silicon Carbide (SiC) Powder is a semiconductor material with many excellent properties, which is synthesized with high-purity silicon powder and carbon powder by a high-temperature solid-state reaction method. Its purity can reach 99.999% wt.

Nanometer Silicon Carbide Powder, SiC, CAS 409-21-2

  • Formula: SiC
  • Molecular weight: 40.1 g/mol
  • Density: 3.2~3.25 g/cm3
  • Microhardness: 2840~3320 kg/mm2
  • Mosh hardness: 9.5

Nanometer Silicon Carbide (SiC) Powder Specifications


Average particle size (nm)

Purity (%)

Specific surface area (m 2/ g)

Bulk density (g / cm 3)




> 99.9





600 to 800

> 99.5




Nanometer Silicon Carbide (SiC) Powder Properties

Nanometer Silicon Carbide Powder-SEM

  • High purity, small particle size distribution range, and high specific surface area
  • Strong absorption capacity for infrared waves
  • High thermal conductivity (165W/MK)
  • Small coefficient of thermal expansion
  • High hardness between corundum and diamond 
  • Higher mechanical strength than corundum
  • high-temperature anti-oxidation
  • Good wear-resistant
  • High-temperature resistance, corrosion, acid, and alkali solvent

Nanometer Silicon Carbide (SiC) Powder Applications

  • Used as modified high-strength nylon materials
  • Used to improve and enhance the wear resistance of special engineering plastics polyether ether ketone (PEEK)
  • Used in the rubber tire
  • Used in coatings and paints
  • Used as infrared-absorbing and wave-transmitting materials
  • Used in functional films or fibers
  • Used for polishing and grinding
  • Used as an ideal material for electronic semiconductors and optoelectronic devices

Nanometer Silicon Carbide (SiC) Powder Storage and Packing

Nanometer Silicon Carbide (SiC) Powder should be kept sealed and stored in a dry and cool place, avoiding being exposed to air for a long time. The vacuum-sealed packing is 100g/bag, 500g/bag, 1kg/bag, 25kg/drum, or as required. 


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