Black Silicon Carbide – Coated Abrasives (Macrogrits & Microgrits)

Download: Technical Data Sheet | Safety Data Sheet (SDS)


Black Silicon Carbide is produced in electrical resistance furnaces from high purity silica sand and petroleum coke. Its combination of being very hard and sharp makes it a very aggressive abrasive ideal for coated abrasive applications.


Coated Abrasive materials can be used for the polishing, finishing or stock removal from wood, metal, ceramics, plastics, rubber, stone and other materials.

Typical Chemical Analysis:

Silicon Carbide(SiC)97.80%
Free Silicon (Si)0.65%
Free Silica (SiO2)0.59%
Iron (Fe)0.12%
Free Carbon ( C )0.29%
Others (CaO, MgO, etc.)0.55%

Physical Characteristics:
Crystal Form:Hexagonal (Alpha SiC)
True Density:3.21 g/cm3
Hardness:Knoop (100) 2500 kg/mm2, Mohs 9.0+
Melting Point:SiC does not melt but dissociates at approx. 2300C

Macrogrit & Microgrit Sizing:

Macrogrit Sizes P12 to P220: Certified to FEPA P Standard 43-1: 2006
Microgrit Sizes P280 to P2500: Certified to FEPA P Standard 43-2: 2006 (JIS Standard also available)

ANSI Test Methods:

Chemistry: ANSI B74.15
Bulk Density: ANSI B74.4

Packaging & Shipping:
Warehousing in Bluffton, SC and Niagara Falls, NY
300 lb. fiber drums
2200 lb. supersacks
Plastic pails, etc. for a surcharge (SC only)

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