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Pigment Grade Series Chrome Oxid...
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Pigment Grade Series Chrome Oxid...
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Refractory Grade Series Chrome Oxide Green
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TYPICAL INDEX
High purity, Large bulk density, superfine powder
PERFORMANCE INTRODUCTION
| Chrome Oxide Green | Density | 5.21 g/cm3 | Moh’s hardness |
8.5 ~ 9 |
| Melting point |
2265 ℃ |
Refractive index | 2.5 | |
| Boiling point | 3654 ℃ | Molecular weight | 151.99 | |
| Water solubility | Insoluble in water, acid and organic solvents |
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| Stability | Stable to light, atmosphere, and corrosive gases (H2S, SO2, etc.), excellent weather resistance, thermal stability |
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SPECIFITION
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Refractory Grade Series (SR Type)
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Classification | Chrome oxide green | MF | Cr2O3 | CAS NO. |
1308-38-9 | ||
| EINECS NO. |
215-160-9 | Appearance | Light green or dark green powder | |||||
| Index | SR-G | SR-D | SR-M | |||||
| Cr2O3 | ≥99% |
≥99.2% |
≥99% |
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| Fe2O3 | ≤0.2% |
≤0.2% |
≤0.2% |
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| SiO2 | ≤0.2% |
≤0.2% |
≤0.2% |
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| Moisture | ≤0.2% |
≤0.2% |
≤0.2% |
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| Water soluble substance | ≤0.3% |
≤0.3% |
≤0.3% |
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| Sieve residue/remnant﹙45μm﹚ | ≤0.5% |
≤0.5% |
≤0.2% |
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| D50 | 1.2-2μm | 2-8μm | 0.5-1μm | |||||
| Natural packing density( g/cm3) | 0.6-0.8 | 1.2-1.5 | 0.4-0.65 | |||||
| Cr+6 value | 0~5PPM at lowest or as customized |
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APPLICATION
Through high temperature burning, chrome oxide green of acid showed inertia of acid and alkali, is great refractory material. Usually added to corundum or corundum spinel refractory materials, can significantly improve the performance of high temperature strength, slag resistance, ect. It mainly used in non-ferrous smelting industry, petrochemical industry, glass industry and also in castable, ramming material, and other unshaped refractory materials.
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