Iron chromite flour 2000 mesh for ceramic glaze pigment
Iron Chromite Flour 2000 mesh is a natural ceramic pigment made from Iron Chromite ore. The appearance is a dark brown powder. By the special milling equipment, we can get extream ultrafine flour. The Iron chromite powder can resist high temperature in the process of ceramic making. It is an excellent pigment for glass and ceramic glaze colorant. The chromite flour pigment can make emerald green,Georgia green,amber color, etc to soda-lime glass bottle, glass plate, ceramic green bodies,etc.
Features of Iron Chromite Flour:
- High refractory temperature, good high-temperature stability, good performance at 1800 ℃, and does not affect the firing of glass products.
- Good heat shock resistance, corrosion-resistant glass and slag.
- The content of Cr2O3 is higher than 46%.
- The particle size is uniform and delicate, with strict control over particle size.
Physical data:
| Main Chemical | Cr2O3·FeO |
| Hardness: | Mohs:5.5-6 |
| Melting Point: | Sublimes at 2180 ℃ |
| Sintering point: | ＞1800℃ |
| Color: | Dark brown/ Dark red black |
| PH | 7-9 |
| Percentage of Moisture | ≤0.1 |
| CAS No.: | 1308-31-2 |
Chemical Composition:
| Item | Guarantee Value | Typical Value |
| Cr2O3 | ≥46.0% | 46.36% |
| SiO2 | ≤1.0% | 0.94% |
| FeO+Fe2O3 | 26-28% | 27.01% |
| AL2O3 | ≤15.5% | 13.62% |
| TiO2 | ≤1.0% | 0.63% |
| CaO | ≤0.3% | 0.12% |
| MgO | ≤10% | 9.35% |
| Na2O | ≤0.5% | 0.12% |
| MnO | ≤0.5% | 0.32% |
| ZnO | ≤0.2% | 0.088% |
| NiO | ≤0.2% | 0.107% |
| P | ≤0.003% | / |
| S | ≤0.003% | / |
Particle size distribution of Iron chromite flour 2000mesh for ceramic glaze pigment:
| Sieve residue ＞ 6.5um | Max 5% |
| Sieve residue ＜ 6.5um | Min 95% |
Applications of Iron Chromite Flour:
- Coloring pigments for green flat glass.
- Ceramic glaze pigments.
- Green dye for glass containers of alcoholic beverages such as beer bottles, red wine bottles, and champagne bottles.
- Green coloring agent for decorative glass and video glass.
- Refractory castables, etc.
- Casting coatings and fire-resistant coatings.
- Wear resistant coating and wear-resistant filler.
Other available specifications:
| Specification | Passing Rate |
| Chromite flour 200#-0 | 95%,97%,100% |
| Chromite flour 325#-0 | 95%,97%,100% |
| Chromite flour 400#-0 | 100% |
| Chromite flour 600#-0 | 100% |
| Chromite flour 800#-0 | 100% |
*Other sizes are available upon request
Production details of Iron Chromite Flour:
Package of Iron Chromite Flour:
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