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China supplier of black carborundum F46-F150 abrasive material

China supplier of black carborundum F46-F150 abrasive material HAIXU Abrasives specialized in the production of black carborundum grain and powder. The black carborundum is artifical synthetic material with ultra-hardness, high thermal conductivity, low expension rate and high temperature resistance. Silicon carbide obtain a vicker hardness of 28-33GPa. It is an extream hard grinding media just lower than diamond and boron carbide. It’s a hard and brittle abrasive material and suitable for grinding marble, granite, ceramic even jade and crystals.

$1,550.00$1,700.00 / MT

Product introduction of China supplier of black carborundum F46-F150 abrasive material

China supplier of black carborundum F46-F150 abrasive material HAIXU Abrasives specialized in the production of black carborundum grain and powder. The black carborundum is artifical synthetic material with ultra-hardness, high thermal conductivity, low expension rate and high temperature resistance. Silicon carbide obtain a vicker hardness of 28-33GPa. It is an extream hard grinding media just lower than diamond and boron carbide. It’s a hard and brittle abrasive material and suitable for grinding marble, granite, ceramic even jade and crystals.

Typical physical properties of China supplier of black carborundum F46-F150 abrasive material

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 China supplier of black carborundum F46-F150 abrasive material

 

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 China supplier of black carborundum F46-F150 abrasive material

  • 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 China supplier of black carborundum :

  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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