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Boron Carbide Powders
Black Silicon Carbide Powder
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Abrasive black silicon carbide powders are the perfect material that specifically manufactured to be used for general abrasive applications in bonded abrasive tools, lapping and polishing processes. While silicon carbide has lower hardness and abrasive capacity than diamond and boron carbide, it is widely used for grinding non-ferrous materials, finishing tough and hard materials, filling up ceramic parts when the processing cost is important.

Technical data

Application Grade Grit Size SIC
mass % - min.		 Fe (Iron)
mass % - max		 C (Carbon)
mass % -max		 Magnetic admixture
mass %- max
Abrasive AG F12-F20 98.0 0.3 0.3 0.13
F24-F90 98.0 0.3 0.3 0.2
F100-F120 97.0 0.4 0.4 0.2
F150-F180 96.0 0.5 0.4 0.2
F230-F280 98.0 0.4 0.4 0.2
F320-F600 96.0 0.5 0.5 0.2
F800-F1000 95.0 0.7 0.6 0.2
F1200 92.0 0.9 0.7 0.2

Application Grade Grit Size SiC mass % - min. Free C (Carbon) mass % - range Total C (Carbon) mass % - range S (Sulfur) mass % - range Moisture mass % - range
Metallurgical MG 0-20mm 88-92 3-6 30-33 0.1-0.2 1-3

Physical data
Structure : Monocrystalline
Particle shape: Blocky, sharp edged
Color: Black
Friability: Semi-friable
Knoop hardness (100 scale): 2480
Bulk density: ANSI B74.12-1988
Specific gravity: 3.20


Particle size distribution for available grits.
Grading: FEPA Standard

Grit size 3% max.,
larger than,
um		 50% min.,
in size range,
um		 94% min.,
larger than,
um		 Grit size 3% max.,
larger than,
um		 50% min.,
in size range,
um		 94% min.,
larger than,
um
F12 2000 N/A 1400 F120 125 N/A 90
F14 1700 N/A 1180 F150 106 N/A 63
F16 1400 N/A 1000 F180 90 N/A 53
F20 1180 N/A 850 F220 75 50.0-56.0 45
F24 850 N/A 600 F240 70 42.5-46.5 28
F30 710 N/A 500 F280 59 35.0-38.0 22
F36 600 N/A 425 F320 49 27.7-30.7 16.5
F40 500 N/A 355 F360 40 21.3-24.3 12
F46 425 N/A 300 F400 32 16.3-18.3 8
F54 355 N/A 250 F500 25 11.8-13.8 5
F60 300 N/A 212 F600 19 8.3-10.3 3
F70 250 N/A 180 F800 14 5.5-7.5 2
F80 212 N/A 150 F1000 10 3.7-5.3 1
F90 180 N/A 125 F1200 7 2.5-3.5 1
F100 150 N/A 106
Note: JIS and P Standard graded powder is available on request

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