مؤشر كيميائي ل micropowder كربيد
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 |
Micropowder Granularity Grading of Sic GB / T2481.2-1998
Particle size |
The particle size when integrated height reach 3% small than (dv-3)µm |
The particle size when integrated height reach 50% size range (dv-50)µm |
The particle size when integrated height reach 94% larger than (dv-94) µm |
F230 |
82 |
53.0±3.0 |
34 |
F240 |
70 |
44.5±2.0 |
28 |
F280 |
59 |
36.5±1.5 |
22 |
F320 |
49 |
29.2±1.5 |
16.5 |
F360 |
40 |
22.8±1.5 |
12 |
F400 |
32 |
17.3±1.0 |
8 |
F500 |
25 |
12.8±1.0 |
5 |
F600 |
19 |
9.3±1.0 |
3 |
F800 |
14 |
6.5±1.0 |
2 |
F1000 |
10 |
4.5±0.8 |
1 |
F1200 |
7 |
3.0±0.5 |
1(for 80%) |
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