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Sinter Grade Silicon Carbide Powder

Sinter Grade Silicon Carbide Powder

Sinter Grade Silicon Carbide Powder is a type of high-purity silicon carbide powder that is specifically designed for use in the sintering process. It is made from high-quality silicon carbide crystals that are crushed, milled, and screened to produce a fine powder with a consistent particle size distribution.

Sinter Grade Silicon Carbide Powder is used in the production of sintered silicon carbide components, which are used in a wide range of applications, including automotive, aerospace, and semiconductor manufacturing. Sintered silicon carbide components are known for their excellent thermal conductivity, high strength, and resistance to wear and corrosion.

During the sintering process, the sinter grade silicon carbide powder is compacted and heated to a high temperature in a furnace, where it undergoes a process of densification, which results in the formation of a high-density, fully dense silicon carbide component. The resulting sintered silicon carbide component has excellent mechanical properties, including high strength, toughness, and wear resistance.

Sinter Grade Silicon Carbide Powder is available in a range of particle sizes and purity levels to meet the specific requirements of different sintering processes. It is commonly used in the production of complex shaped components, such as seals, bearings, and wear parts.

Overall, Sinter Grade Silicon Carbide Powder is a high-quality material that is essential for the production of sintered silicon carbide components. Its unique properties make it an ideal choice for a wide range of high-performance applications, where strength, wear resistance, and thermal conductivity are critical.


Silicon Carbide Ceramics Properties

Compound Formula SiC
Molecular Weight 40.1
Appearance Black
Melting Point 2,730° C (4,946° F) (decomposes)
Density 3.0 to 3.2 g/cm3
Electrical Resistivity 1 to 4 10x Ω-m
Poisson's Ratio 0.15 to 0.21
Specific Heat 670 to 1180 J/kg-K

Silicon Carbide Ceramics Specification

CAS#: 409-21-2, Not Hazardous
Powder, F.W. 40.10, m.p. 2700 °C, Spec. Gravity 3.217 gm/cm3
Item No. Description Purity Lot Size
CB14-85 Silicon Carbide Powder
Particle Size:18, 30, 40 or 200 mesh
> 85 %
F.C. < 2.5%, Fe2O3 < 2%, Al2O3 < 1.2%
CB14-90 Silicon Carbide Powder
Particle Size:18, 30, 40 or 200 mesh
> 90 %
F.C. < 1.5%, Fe2O3 < 1.2%
CB14-98 Silicon Carbide Powder
Particle Size:18, 30, 40 or 200 mesh
> 98 %
F.C. < 0.6%, Fe2O3 < 0.7%

Silicon Carbide Ceramics Applications

Until the invention of boron carbide in 1929, silicon carbide was the hardest synthetic material known. It has a Mohs hardness rating of 9, approaching that of a diamond. In addition, SiC crystal has fracture characteristics that make them extremely useful in grinding wheels and in abrasive paper and cloth products.

Its high thermal conductivity, together with its high-temperature strength, low thermal expansion, and resistance to chemical reaction and thermal shock, makes silicon carbide valuable in the manufacture of high-temperature bricks and other refractories.

SiC ceramic is also classed as a semiconductor, having an electrical conductivity between that of metals and insulating materials. This property, in combination with its thermal properties, makes SiC a promising substitute for traditional semiconductors such as silicon in high-temperature applications.

Sinter Grade Silicon Carbide Powder Specification

Typical Chemical and Physical Analysis
  % Free SiO2 % Free Si % Free C % Total Oxygen S.S.A. M2/g pH
FCP 10C 0,60 0,05 0,20 0,20 10 m2/g 6-7
FCP 13 1,50 0,50 0,30 1,75 13 m2/g 7-8
FCP 13C 0,70 0,05 0,15 0,75 13 m2/g 6-7
FCP 15 1,20 0,10 0,20 1,10 15 m2/g. 6-7
FCP 15C 0,75 0,05 0,20 0,85 15 m2/g 6-7
Analytic Procedure ASNI B 74, 15 1986 LECO Bet Quantachrome 25 Gr. SiC +50 Ml D1 H2O

Sinter Grade Silicon Carbide Powder Applications

-Technical Ceramic Parts

-Sintered Parts

-Reaction-Bonded Ceramic Parts


-Heat Transfer / Thermal Management

-High Temp Sensors

-Ceramic Wear Parts


We handle our products with care to ensure they remain in their original condition during storage and transportation and to preserve their quality.



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