Chromium Oxide
- Molecular：Cr2O3
- Mol Wt：151.99
- Standard：HG/T 2775-2010
- Package/bag：25kg
Introduction
Molecular：Cr2O3
Mol Wt：151.99
Standard：HG/T 2775-2010
Package/bag：25kg
Features
Melting point 2266±25℃,boiling point 4000℃,the hexagonal crystal system or amorphous olive green powder with a metallic luster and magnetic.Insoluble in water and acid soluble in hot alkali metal bromate solution,light,atmosphere,high temperature and corrosive gases(SO2、H2S,etc.)is extremely stable.
Application
Chrome oxide green is mainly used for metallurgy,paint,refractory and ceramic industries.
Package
Product packed in paper-plastic composite bag.
Caution
1) Prevent weathering,should be stored in a dry place,avoid big temperature difference, prevent moisture,acid mist and the sun.
2) After opening,requiring special conditions: tie the bag tight to prevent vapor and pollution.
3) keep away from food.
Technical Parameters
| Product Name | Exc Grade | 1stGrade |
| Cr2O3% ≥ | 99.0 | 99.0 |
| Cr6+ ≤ | 0.005 | 0.03 |
| Moisture content% ≤ | 0.15 | 0.15 |
| hydrotrope% ≤ | 0.1 | 0.3 |
| PH（100g/L）/PH value | 6-8 | 5-8 |
| oil absorption（g/100g） | 15-25 | 15-25 |
| 0.045mm%/residue on sieve% ≤ | 0.1 | 0.2 |
| Comparative tinting strength% | user parameters negotiation | user parameters negotiation |
| shade | user parameters negotiation | user parameters negotiation |
