Black Silicon Carbide Powders (Microgrits)
Download: Technical Data Sheet | Material Safety SheetDescription:
High quality, water classified silicon carbide powders graded to exacting standards, e.g. FEPA, JIS and custom. Graystar silicon carbide powders are manufactured by various techniques to optimize shape, surface area, density, chemistry and/or particle size distribution for various applications.
Applications:
Our powders are used for wiresawing semiconductor materials, lapping, fine bonded and coated application, refractory, precision ceramics, composites and other critical applications. Material is available for hot pressing, sintering and other forming techniques.
Typical Chemical Analysis:
| Silicon Carbide(SiC) | 97.80% | |
| Silicon (Si) | 0.30% | |
| Silicon Dioxide (SiO2) | 0.50% | |
| Carbon ( C ) | 0.30% | |
| Iron (Fe) | 0.08% | |
| Aluminum (Al) | 0.10% |
Physical Characteristics:
| Crystal Form: | Hexagonal (Alpha SiC) | ||
| True Density: | 3.95 g/cm3 | ||
| Hardness: | Knoop (100) – 2500; Mohs 9.0+ | ||
| Melting Point: | SiC does not melt but dissociates | ||
| Color: | Black |
Sizing Test Methods:
| FEPA Standard 42-2: 2006 |
| JIS R 6001: 1998 |
| Micron sizes based on Coulter Multisizer |
FEPA F Standard – Powders/Microgrits
| D3% | D94% | ||||||||
| Size | Max. | D50% | Min. | ||||||
| 240 | 70 | 42.5-46.5 | 28 | ||||||
| 280 | 59 | 35.0-38.0 | 22 | ||||||
| 320 | 49 | 27.7-30.7 | 16.5 | ||||||
| 360 | 40 | 21.3-24.3 | 12 | ||||||
| 400 | 32 | 16.3-18.3 | 8 | ||||||
| 500 | 25 | 11.8-13.8 | 5 | ||||||
| 600 | 19 | 8.3-10.3 | 3 | ||||||
| 800 | 14 | 5.5-7.5 | 2 | ||||||
| 1000 | 10 | 3.7-5.3 | 1 | ||||||
| 1200 | 7 | 2.5-3.5 | 1(80%) |
Packaging & Shipping:
Warehousing in Bluffton, SC and Niagara Falls, NY
50 lb. or 55 lb. paper bags (grade sizes F280 – F1200)
44 or 55 lb. paper bags or boxes (JIS #600 – #4000)
300 lb. fiber drums (grade sizes F280 – F600)
200 lb. fiber drums (grade sizes F800 – F1200)
2200 lb. supersacks
Plastic pails, etc for a surcharge (SC only)
