Molecular formula: Cr2O3
Specific gravity: 5.21
Standard: HG/T2775-96
Index: GB1611--92
Item |
Index |
|||||
I for Pigment |
II for abradant |
|||||
Premium grade |
First grade |
Salable product |
Premium grade |
First grade |
Salable product |
|
| Cr203 % ≥ | 99.0 |
98.0 |
97.0 |
99.0 |
98.0 |
97.0 |
| Moisture %≤ | 0.15 |
0.30 |
0.50 |
0.15 |
0.30 |
0.50 |
| Water soluble matter %≤ | 0.1 |
0.4 |
0.70 |
0.2 |
0.40 |
0.70 |
| Aq. solution,PH | 6--8 |
5--8 |
不规定 |
|||
| Oil absorption,g/100g | 15--25 |
≤20 |
≤25 |
|||
| Chroma | Ok
|
No
|
||||
| Fastness,% | Ok
|
No
|
||||
| Residue on screen%,45um≤ | 0.1 |
0.3 |
0.5 |
0.3 |
0.5 |
75um0.5 |
| Remark:The chroma and fastness is optional. | ||||||
Packing: 40kg in woven bag.
Uses:
Used in the chrome smelt and chromium carbide,the dyeing agent of porcelain enamel and ceramic,leatheroid,structure material,sunlight fast coating,abradant,green polish paste,ink,catalyst.
manufacturability: 1500 Tons / Year