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Silicon Carbide Grinding Media

Silicon Carbide Grinding Media

Silicon Carbide (SiC) Grinding Media is a high-performance mechanical component that is commonly used in various industries for its unique properties. SiC Grinding Media is made of silicon carbide material, which is a high-strength ceramic material that offers excellent hardness, wear resistance, and thermal shock resistance.

SiC Grinding Media has a number of benefits over traditional grinding media materials like steel or ceramic, including their ability to withstand extreme temperatures and pressures, their resistance to corrosion and abrasion, and their low coefficient of thermal expansion, which reduces the risk of damage to the grinding media due to thermal stress.

SiC Grinding Media is commonly used in applications where high-performance grinding media are required, such as in grinding and dispersing of paints, coatings, and pigments. They are available in a variety of sizes and shapes to fit different types of machinery, and they can be customized to meet specific application requirements.

SiC Grinding Media is known for its high durability and long lifespan, making it a cost-effective choice for applications that require high-performance, long-lasting grinding media. They are also resistant to many types of chemicals, making them an ideal choice for use in corrosive environments.

Overall, SiC Grinding Media is an excellent choice for applications that require high-performance, long-lasting grinding media that can withstand extreme conditions and provide reliable operation.


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.

Silicon Carbide Grinding Media Specifications

Type Unit Data
Volume density g/cm3 3.08-3.16
SiC % > 99.2
Vicker shardness HV Kg/mm2 > 2550
Compressive strength MPa > 2500
Bending strength MPa 400-490
Elastic Modulus GPa > 410
Thermal Conductivity W/m.k 100-120
Thermal expansion coefficient i/℃ 4.0
Porosity % < 0.1
Operating temperature 1900


Silicon Carbide Grinding Media Applications

Silicon carbide grinding media is widely used in different types of ceramics, enamel, glass, and thick and hard materials in chemical plants for fine grinding and segmentation.



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