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Product Name:SILICON CARBIDE
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Origin:CHINA
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Description
|
SiC(%) ≥ | Fe2O3(%) ≤ | F.C. （%）≤ | Moisture (%) ≤ | |||
| Super Grade | 99 | - | - | 1 | |||
| First Grade | 97.5/98 | 0.6 | 0.6 | 1 | |||
| Second Grade | 88/90 | 2 | 3 | 1 | |||
| Third Grade | 70 | 4 | 5 | 1 |
- Abrasive-grade Sic
Specification:
The granularity grading of abrasive-grade SiC GB/T2481.1-1998 table two
| Variety | Granularity | Granularity grading（%） | ||||
| Goarsest grain |
Coarse grain |
Basic grain |
Blending grain |
Fine grain |
||
| Black and Green SiC | F4-F7 | 0 | ≤20 | ≥40 | ≥70 | ≤3 |
| F8-F22 | 0 | ≤20 | ≥45 | ≥70 | ≤3 | |
| F24-F36 | 0 | ≤25 | ≥45 | ≥65 | ≤3 | |
| F40-F60 | 0 | ≤30 | ≥40 | ≥65 | ≤3 | |
| F70-F80 | 0 | ≤25 | ≥40 | ≥65 | ≤3 | |
| F90-F120 | 0 | ≤20 | ≥40 | ≥65 | ≤3 | |
| F150-F220 | 0 | ≤15 | ≥40 | ≥65 | ≤3 | |
Chemical index of abrasive –grade SIC GB/T2480-1996 table three
| Variety | Granularity | Chemical index（%） | ||
| SiC | F.C. | Fe2O3 | ||
|
Black SiC |
F12-F90 |
≥98.5 | ≤0.20 | ≤0.60 |
| F100-F150 | ≥98.0 | ≤0.30 | ≤0.80 | |
| F180-F220 | ≥97.0 | ≤0.30 | ≤1.20 | |
|
Green SiC |
F12-F90 | ≥99.0 | ≤0.20 | ≤0.20 |
| F100-F150 | ≥98.5 | ≤0.25 | ≤0.50 | |
| F180-F220 | ≥97.5 | ≤0.30 | ≤0.70 | |
- Silicon Carbide Micro powder
--. Japanese standard for micro powder JISR6001-1987 table two
--. FEPA42-G-1984 table three
Chemical index for SiC micropowder table one
| Variety | Granularity | Chemical index（%） | ||
| SiC ≥ | F.C.≤ | Fe2O3≤ | ||
|
Black SiC |
＃240 -＃1000 | 98.5 | 0.25 | 0.60 |
| ＃1200 -＃1500 | 98.0 | 0.25 | 0.60 | |
| ＃1500 -＃3000 | 97.0 | 0.30 | 0.60 | |
|
Green SiC |
＃240 -＃1000 | 99.0 | 0.20 | 0.50 |
| ＃1200 -＃1500 | 98.5 | 0.20 | 0.50 | |
| ＃2000 -＃3000 | 98.0 | 0.30 | 0.50 | |
| ＃4000 - ＃8000 | 97.0 | 0.30 | 0.50 | |
