Description:
1.Black silicon carbide2.Manufacture for over 30 years
3.High purity and nice grit distribution
4.Owning refining furnace
1. SiliconCarbide Microgrits Manufacturer
2.Chemical Analysis and Grain Size Distribution (F24-F220)
| F24 | F36 | F60 | F80 | F120 | F180 | |
| SIC | 98.48 | 98.46 | 98.6 | 98.6 | 98.5 | 98.5 |
| Fe2O3 | 0.32 | 0.31 | 0.28 | 0.32 | 0.26 | 0.31 |
| F.C | 0.16 | 0.15 | 0.14 | 0.13 | 0.13 | 0.15 |
| GRAIN SIZE DISTRIBUTION(%) | ||||||
| GB/T 2481.2-1998 & ISO 8486-2 1996 (F #) | ||||||
| Coarse Grit | 20 | 15 | 9 | 22 | 15 | 5.6 |
| Basal Grit | 49 | 65 | 67 | 63 | 49 | 59.4 |
| Mixed Grit | 76.5 | 84 | 90.2 | 77 | 82.5 | 81.4 |
| Fine Grit | 0.3 | 0.1 | 0.3 | 0.5 | 0.4 | 0.5 |
3.Chemical Analysis and Grain Size Distribution (F320-F1200)
| F320 | F400 | F600 | F800 | F1000 | F1200 | |
| SIC | 98.5 | 98 | 97.55 | 97 | 97.24 | 97 |
| Fe2O3 | 0.4 | 0.4 | 0.36 | 0.4 | 0.25 | 0.4 |
| F.C | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| GRAIN SIZE DISTRIBUTION(%) GB/T 2481.2-1998 & ISO 8486-2 1996 (F #) | ||||||
| ds3 | 49 | 32 | 19 | 14 | 10 | 7 |
| ds50 | 29.2±1.5 | 17.3±1.0 | 9.3±1.0 | 6.5±1.0 | 4.5±0.8 | 3.0±0.5 |
| ds95 | 16.5 | 8 | 3 | 2 | 1 | 1(80%) |
4.Primary manufacturing equipment
Equipment catalog | Quantity | Equipment catalog | Quantity |
16,500 watts refining furnace | 3 | “star model”crusher | 15 |
22,500 watts refining furnace | 1 | Raymond mill | 2 |
Jaw crusher | 6 | Ultrasonic sifting | 20 |
Induced draft ball mill | 2 | Acid/alkali cleaning tank | 60 |
Air flow classifier | 15 | Magnetic separator | 8 |
5.Company Brief:
Zhengzhou Yellow River (ZYR) Abrasives Co. Ltd, which was founded in 1976, is a main manufacturer of abrasive material in China.
We supply Black Silicon Carbide, White Fused Aluminum Oxide.
The production and quality are in accord with GB, ISO, JIS, Standard or conform to specific request.
6. Applications
1. Sandblasting, Coarse grinding, Boned Abrasive tools.
2. Precise polishing, Sapphire lapping, Solar cells cutting, wire sawing
7. Other special specification and other standard graded powder is available on request.


