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Chrome iron ore powder for pigments, 800 mesh, 1600 mesh
46%The 800-mesh chromite powder with a content of 48-50% is a pigment-grade chromite powder processed from natural African chromite ore with a content of 48-50% using an ultra-fine grinding machine. With its high grade, fine particle size, and strong high-temperature resistance, the 800-mesh chromite powder is used as a coloring material for glass containers or flat glass. The 800-mesh chromite powder with a content of 46% can be used to produce green pigments such as emerald green, emerald green, Georgia green, dead leaf green, dark olive green, champagne green, and ultraviolet green. It can also be mixed with other pigments to produce coloring pigments such as coffee, tea, and amber.
Performance characteristics of 800-mesh chromite powder:
1. High refractory temperature, excellent high-temperature stability, good performance at 1800°C, and does not affect the firing of glass products.
2. Good thermal shock resistance, resistant to corrosion from glass and slag.
3. Cr2O3Content higher than 46%.
4. The particle size is uniform and fine, with strict control over particle size distribution.
Particle size distribution of 800-mesh chromite sand:
D10 (um) | D50 (um) | D90 (um) | D(3,2) (um) | D(4,3) (um) |
1.904 | 5.101 | 12.775 | 3.866 | 6.844 |
Chemical composition
Ingredients | guaranteed 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% | / |
Physical indicators
Mohs hardness | 5.5-6 |
Melting point | 2180 ℃ |
Sintering temperature | ＞1800℃ |
Specific gravity | 4.0-4.8 g/cm3 |
Bulk Density (LPD) | 2.5-3 g/cm3 |
Color | Dark greenish-black, dark reddish-black |
PHvalue | 7-9 |
Acid consumption value | ≤2ML |
Soil content | ≤0.1 |
Moisture content | ≤0.1 |
Chromium ore powder model:
Granularity | Particle size range |
Iron chromite flourChromite powder 200#-0 | 0-75um |
Iron chromite flourChromite powder 270#-0 | 0-50um |
Iron chromite flourChromite powder 325#-0 | 0-45um |
Iron chromite flourChromite powder 400#-0 | 0-38um |
Iron chromite flourChromite powder 600#-0 | 0-23um |
Iron chromite flourChromite powder 800#-0 | 0-18um |
Iron chromite flourChromite powder 1000#-0 | 0-13um |
Iron chromite flourChromite powder 1200#-0 | 0-10um |
Iron chromite flourChromite powder 1500#-0 | 0-8um |
Iron chromite flourChromite powder 2000#-0 | 0-6.5um |
Iron chromite flourChromite powder 2500#-0 | 0-5um |
*Other models can accept customized production.
Product Use:
1. Coloring pigments for green flat glass.
2. Ceramic glaze pigments.
3. Green dyes for glass containers used for alcoholic beverages, such as beer bottles, wine bottles, and champagne bottles.
4. Green colorant for decorative glass and video glass.
5. Refractory castables, etc.
6. Casting coating, refractory coating.
7. Wear-resistant coating, wear-resistant filler.
