Chrome flour for greensand castings
We import crushing Chrome ore from South Africa,wash,dry ,dust cleaning,sieve and grind to flour,test and pack,then export to all over the world.
Size：200mesh 325mesh 400mesh 500mesh 600mesh 700mesh 800mesh 1000mesh 1200mesh 1500mesh 2000mesh 2500mesh
Chemical compostion and physical properties
| Item | Unit | Index |
| Cr2O3 | % | ≥46.0% |
| SiO2 | % | ≤1.0% |
| FeO | % | ≤26.5% |
| CaO | % | ≤0.30% |
| MgO | % | ≤10.0% |
| Al2O3 | % | ≤15.5% |
| P | % | ≤0.003% |
| S | % | ≤0.003% |
| Cr/Fe | 1.55:1 | |
| Bulk Density | g/cm³ | 2.5-3 |
| Color | / | Black |
| PH | / | 7-9 |
| The amount of the acid | / | ≤ 2 ML |
| Percent soil | % | ≤0.1 |
| Percent Moisture | % | ≤0.1 |
| The sintered | ℃ | 1600 |
| Percentage of free acid present in the sand | % | 0 |
| filling density | g/cm³ | 2.6 |
| sintering point | °C | > 1,800 |
| melting temperature | °C | 2,180 |
Advantages of chrome flour
– Stable at high temperatures
– Thermal-shock resistant
– Resistant to corrosive glasses and slags
– High heat resistance
Main applications
1.Glass pigment
2.Refractory bricks and refractory cement
3.Chrome magnesite refractory bricks and cement
4.As a pigment for standard bricks, pavings, roof tiles and coatings
5.Ceramics
6.Greensand castings
7.Stainless steel production
8.Sharpen objects
PACKAGE:1000/800KGS BIG BAG
Factory corners
