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Black silicon carbide F120# Macrogrit 100um

Black silicon carbide F120# Macrogrit 100um is a fine carborundum material for abrasives. The sand is seived from high grade silicon carbide lumps after milling and washing. There is low magentic residues after a effective megnetic removal system. The shape of black silicon carbide macrogrit is irregular without sharp angular. High carborundum purity min 98.5% and good particle shape & distribution ensure it a perfect choice for making abrasive wheels and other bonded abrasives.

$1,550.00$1,700.00 / MT

Product introduction of Black silicon carbide F120# Macrogrit 100um

Black silicon carbide F120# Macrogrit 100um is a fine carborundum material for abrasives. The sand is seived from high grade silicon carbide lumps after milling and washing. There is low magentic residues after a effective megnetic removal system. The shape of black silicon carbide macrogrit is irregular without sharp angular. High carborundum purity min 98.5% and good particle shape & distribution ensure it a perfect choice for making abrasive wheels and other bonded abrasives.

Typical physical properties of Black silicon carbide F120# Macrogrit 100um

Hardness:Mohs:9.2
Melting Point:dissociated at about 2300 °C
Maximum service temperature:1900℃
Specific Gravity:3.2-3.45 g/cm3
Bulk density(LPD):1.2-1.6 g/cm3
Color:Black
Particle shape:Hexagonal
Modulus of Elasticity58-65×106 psi
Coefficient of Thermal Expansion3.9-4.5 x10-6/ ℃
Thermal Conductivity60-200 W/MK

 

Typical physical properties of Black silicon carbide F120# Macrogrit 100um

 

ContentGuarantee valueTypical value
SiC≥98%98.62%
Fe2O3≤0.2%0.18%
F.C≤0.2%0.12%
Magnetic content≤0.02%0.011%

 

Product Feature of Black silicon carbide F120# Macrogrit 100um

  • High purity, the purity of black silicon carbide after pickling can reach 99%. The production process of black silicon carbide powder is hydraulic classification, with less impurities and high purity.
  • Superior oxidation resistance and chemical stability: when heated to 1000 ℃ in the air, silicon carbide only oxidizes on the surface, forming a layer of silicon dioxide film, which can protect silicon carbide material from oxidation. When heated to above 1627 ℃, the oxidation resistance of silicon carbide will decline rapidly.
  • High hardness: Mohs hardness of black silicon carbide is 9.2-9.3, slightly lower than that of green silicon carbide.
  • The toughness of black silicon carbide is higher than that of green silicon carbide.
  • The packing density is high, and the black silicon carbide particles produced by the shaping process are more rounded.
  • It has high cleanliness and is washed twice after crushing, reducing the dust in the abrasive.

Application of Black silicon carbide Macrogrit 

  1. Silicon carbide fiber disc.
  2. Whetstone, abrasive brick, abrasive rob,abrasive segment.
  3. Resin bonded silicon carbide abrasive grinding wheels.
  4. Vitrified bonded silicon carbide abrasive mounted-point, cup wheel, bowl wheel,etc.
  5. Sanding wheel and sanding sheet for ceramic tiles and granite,etc.
  6. Silicon carbide abrasive brushes.
  7. Other bonded abrasive tools.

 

Other available Grit Sizes:
Macro Grit SizeAverage particle sizemmBasic particle sizemm
8#2.4602.000-2.360
10#2.0851.700-2.000
12#1.7651.400-1.700
14#1.4701.180-1.400
16#1.2301.100-1.180
20#1.0400.850-1.000
22#0.8850.710-0.850
24#0.7450.600-0.710
30#0.6250.500-0.600
36#0.5250.425-0.500
40#0.4380.355-0.425
46#0.3700.300-0.355
54#0.3100.250-0.300
60#0.2600.212-0.250
70#0.2180.180-0.212
80#0.1850.150-0.180
90#0.1540.125-0.150
100#0.1290.106-0.125
120#0.1090.090-0.106
150#0.0820.063-0.075
180#0.0690.053-0.075
220#0.0580.045-0.063
Grit designationMean grain size ds50-value in μm
F 23053.0 ± 3
F 24044.5 ± 2
F 28036.5 ± 1.5
F 32029.2 ± 1.5
F 36022.8 ± 1.5
F 40017.3 ± 1
F 50012.8 ± 1
F 6009.3 ± 1
F 8006.5 ± 1
F 10004.5 ± 0.8
F 12003.0 ± 0.5
F 15002.0 ± 0.4
F 20001.2 ± 0.3
F 30000.8±0.2

 

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