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Black Silicon Carbide Micro Powder

Silk Road Abrasives’ Black Silicon Carbide Micro Powder is a type of finely ground product produced through processes like air jet milling, ball milling, and molding machines. It is then classified into different standard micro powders using overflow methods. The production methods of Black Silicon Carbide Micro Powder primarily utilize dry, wet, or a combination of both methods to meet various field requirements. It exhibits a black color and features a hexagonal α-type crystal structure. It is mainly used for refractory materials, metallurgical additives, bonded and coated abrasives, polishing, pressure blasting, refractory materials, precision ceramics, etc.

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Physical properties
Crystal Form： Hexagonal (Alpha SiC
Color： Black
Melting point:  Dissociates at Approx. 2500°C
True Density：  3.21 g/cm3
Hardness： Knoop (100): 2500 Mohs: 9.0+
Bulk density: depending on grain size
Typical chemical analysis
Silicon Carbide (SiC) 98.60%
Free Carbon (C） 0.15%
Silicon Dioxide (SiO2 ) 0.50%
Free Silicon (Si) 0.60%
Iron (Fe2 O3 ) 0.07%
Available grain sizes
(Average grain size)
ds50 value (µm)
FEPA Nr. Standard werte der Mikro-F-Reihe JIS Nr. FEPA Nr.
F230 53±3.0 #240 60±4.0 P240 58.5±2.0
F240 44.5±2.0 #280 52±3.0 P280 52.2±2.0
F280 36.5±1.5 #320 46±2.5 P320 46.2±1.5
F320 29.2±1.5 #360 40±2.0 P360 40.5±1.5
F360 22.8±1.5 #400 34±2.0 P400 35.0±1.5
F400 17.3±1.0 #500 28±2.0 P500 30.2±1.5
F500 12.8±1.0 #600 24±1.5 P600 25.8±1.0
F600 9.3±1.0 #700 21±1.3 P800 21.8±1.0
F800 6.5±1.0 #800 18±1.0 P1000 18.3±1.0
F1000 4.5±0.8 #1000 15.5±1.0 P1200 15.3±1.0
F1200 3.1±0.5 #1200 13.0±1.0
F1500 2.0±0.4 #1500 10.5±1.0
#2000 8.5±0.7
#2500 7.0±0.7
#3000 5.7±0.5

Application areas (including but not limited to)

  • Abrasive Industry

    Coated abrasives, bonded abrasives, solar silicon wafer cutting, crystal cutting, and grinding.

  • Refractory Industry

    Manufacturing of high refractory materials, high-temperature ceramics, aircraft heat-resistant materials.

  • Special Coatings Industry

    Enhancing coating hardness and wear resistance, providing high-temperature resistance, increasing chemical corrosion resistance, etc.

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