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Black Silicon Carbide Powder

XINLI's Black Silicon Carbide Powder is made from high-quality quartz sand and petroleum coke, smelted at high temperatures in an electric resistance furnace. With its high hardness, sharpness, and excellent thermal conductivity, black SiC powder delivers reliable performance in grinding, polishing, lapping, and surface treatment. It is especially suitable for applications that require strong toughness, heat resistance, and cost-effective abrasive performance.

What is Black Silicon Carbide?

Black Silicon Carbide, also known as Black SiC, is primarily composed of silicon and carbon. It is produced through the high-temperature fusion of quartz sand and petroleum coke in an electric resistance furnace.

The powder typically consists of small, sharp-edged particles with a crystalline structure. Black silicon carbide is renowned for its high hardness. This property makes it an excellent abrasive material, which is suitable for applications requiring effective material removal.

Black Silicon Carbide Powder

Main Colors

  • Black

Price

USD $1.54-4.53 / kg EXW

Packaging

25 kg bags or customized packaging on request

Physical Properties

Item Value
Appearance Black powder
Mohs Hardness 9.2
Bulk Density ≥1.45-1.56g/cm3
True Density 3.12g/cm3
Melting Point 2250°C
Crystal Hexagonal
SiC CAS No. 409-21-2
HS Code 2849200000

Chemical Composition(%)

Model Particle Size SiC F.C. Fe₂O₃
C F230–F280(#240-#360) ≥98.30 ≤0.25 ≤0.25
F320–F500(#400-#800) ≥98.10 ≤0.25 ≤0.30
F600–F800(#1000-#1500) ≥97.80 ≤0.25 ≤0.30
F1000–F1200(#2000-#2500) ≥97.50 ≤0.25 ≤0.30
#3000-#6000 ≥96.00 ≤0.25 ≤0.30

Particle Distribution(μm)

Particle Size D0 D3 D50 D94
#240≤127≤10358.6±3.0≥40.0
#280≤112≤87.049.4±3.0≥33.0
#320≤98.0≤74.041.1±2.5≥27.0
#360≤86.0≤66.036.1±2.0≥23.0
#400≤75.0≤58.030.9±2.0≥20.0
#500≤63.0≤50.026.4±2.0≥16.0
#600≤53.0≤43.021.1±1.5≥13.0
#700≤45.0≤37.017.9±1.3≥11.0
#800≤38.0≤31.014.7±1.0≥9.00
#1000≤32.0≤27.011.9±1.0≥7.00
#1200≤27.0≤23.09.90±0.80≥5.50
#1500≤23.0≤20.08.40±0.60≥4.50
#2000≤19.0≤17.06.90±0.60≥4.00
#2500≤16.0≤14.05.60±0.50≥3.00
#3000≤13.0≤11.04.00±0.50≥2.00
#4000≤11.0≤8.003.00±0.40≥1.30
#6000≤8.00≤5.002.00±0.40≥0.80

Applications

  • Ceramic, metal lapping, and polishing applications.
  • SiC Sandpaper, grinding wheels, cut off tools, ceramic disc brakes.
  • Bonded abrasive tool applications.
  • Rock tumbling industries - Lapidary use, vibratory machines.
  • Slicing of silicon carbide wafers.
  • Finishing tough and hard materials.
  • Slicing, lapping, and polishing glass and germanium wafers.
  • Lapping of piston rings and gears.
  • Grinding of nonferrous materials.
  • Rock and stone polishing and engraving.
  • Glass etching and glass carving industries.
black silicon carbide powder Application
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Related Information

About XINLI

XINLI is a leading manufacturer of industrial abrasives, specializing in fused alumina, silicon carbide, and advanced polishing powders. With over 25 years of industry experience and a global client base, we are committed to delivering materials that meet the highest quality and precision standards.

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