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Technical data
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Chromium(III) oxide / Chromium sesquioxide/ Chromia | |
|
MF |
Cr2O3 |
|
GOST |
2912-79 |
|
CAS No. |
1308-38-9 |
|
EINECS No. |
215-160-9 |
|
RTECS No. |
GB6475000 |
|
Place of Origin |
Russian Federation |
|
Grade Standard |
Industrial Grade |
|
Purity |
99 % min |
|
Appearance |
green powder, insoluble in water |
|
Application |
paint industry, steel industry, other industries for the polishing process. |
Available in three grades:
- Pigment
- Pigment
- Metallurgical
- Abrasive
QUALITY SPECIFICATION
|
Nr |
Item |
Pigment |
Metallurgical |
Abrasive |
|
1 |
Mass fraction obshego chromium in terms of Cr2O3 % , not less |
99 |
98 |
98 |
|
2 |
Moisture content,%, not more |
0.15 |
0.15 |
0.15 |
|
3 |
Mass fraction of substances soluble in water,%, not more |
0,2 |
not the norm. |
0,5 |
|
4 |
The aqueous solution |
6,8 |
not the norm. |
not the norm. |
|
5 |
Relative coloring ability,%, not less |
95 |
not the norm. |
not the norm. |
|
6 |
Color |
dark green color |
dark green color |
dark green color |
|
7 |
Hiding power, g / m2, more |
14 |
0 |
0 |
|
8 |
Mass fraction of total sulfur (S),%, not more |
not the norm |
0,02 |
not the norm |
|
9 |
Mass fraction of iron in terms of FeO,%, not more |
not the norm |
0,15 |
not the norm |
|
10 |
The mass fraction of carbon,%, not more |
not the norm |
0,05 |
not the norm |
|
11 |
Polishing capacity, mg / cm 2 * min |
not the norm. |
not the norm. |
0.1-0.3 |
Application
- Pigment - in the paint industry and the production of building materials as a pigment;
- Metals - in the steel industry for the production of chromium metal and abrasive materials;
- Abrasive - in time, instrument, machinery and other industries for the polishing process.
Packing
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25 kg polypropylene bags or special soft containers (net weight 1,000 kg);