Molecular formula: Cr2O3
Molecular weight: 151.99
Product format:
Hexagonal crystal or amorphous olive-green powder with metallic
luster. Specific gravity: 5.21, Melting point: 2266 25
Boiling point: 4000
insoluble in water or acid. Soluble in hot metallic alkaline
bromate solution. Extremely stable against light, air, high
temperature & corrosive gases (SO2, H2S).
High covering power, magnetic properties.
Applications:
Primarilly in smelting metallic chromium, chromium carbide,
ceramics, grinding & polishing compounds, surface coatings,
painting inks etc.
Packing:
Reinforced woven bag with plastic inner.
Net weight:25 or 40 kg.
N.B.:
Store in a dry place, avoid contact with moisture, acids
& sunlight. Stored away from foodstuffs.
Specifications:
| Pigment grade |
Alloy grade |
| Item |
Index |
Item |
Index |
| High
grade |
1st
grade |
| Cr2O3 |
99.00 |
99.00 |
Cr2O3 |
 98.50 |
| Lustre |
standard, or as reqd |
Fe2O3 |
<0.030 |
| Colouring ability |
95.00 |
95.00 |
Phosphorous |
<0.001 |
| Oil absorption |
25.00 |
25.00 |
Cobalt |
<0.001 |
| Covering power |
15.00 |
15.00 |
Manganese |
<0.001 |
| Residues above sieve % |
0.50 |
0.50 |
Copper |
<0.001 |
| Moisture % |
0.30 |
0.50 |
Nickel |
<0.001 |
| Solubles |
asCr+6 5PPM |
0.10 |
Lead |
<0.001 |
| Insolubles % |
0.30 |
0.30 |
- |
- |
|
Product
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