Refractory Grade
|
SiC |
Super grade |
First Grade |
Second grade |
|
SiC min |
99.2%Min |
98.0%Min |
90%Min, 88％Min |
|
F.C. |
0.05%Max |
0.10%Max |
3.0%Max,3.5%Max |
|
Fe2O3 |
0.05%Max |
0.15%Max |
0.6%Max,1.0%Max |
Abrasive Grade
|
|
粒度 |
化学成分（重量%）
Chemical Composition(%, by weight) | ||
|
Grit |
SiC |
F.C. |
Fe2O3 | |
|
F12-F90
P12-P100 |
≥98.50 |
≤0.20 |
≤0.60 | |
|
F100-F150
P120-P150 |
≥98.00 |
≤0.30 |
≤0.80 | |
|
F180-F220
P180-P220 |
≥97.00 |
≤0.30 |
≤1.20 | |