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Characteristics of iron ore FeOr2O3:
The chromium ore used in industry is chromite, which belongs to the spinel group, with the general chemical formula FeOr2O3. There are about 30 chromium-containing minerals in nature, but only a few have industrial value. These include magnesiochromite, aluminochromite, also known as high-chromium spinel, and hard chromite. Chromite is a spinel mineral and is the only important industrial mineral for chromium iron.
Chromite has properties such as heat resistance and corrosion resistance. In the metallurgical industry, chromium ore is mainly used for smelting chromium iron alloys and metallic chromium. Chromite minerals are important refractory materials, with strong resistance to metal slag erosion. Chromite not only has a low thermal expansion rate but also good thermal shock resistance, and its cryogenic properties are superior to zircon. Therefore, it is used in the production of brake pads. It adjusts the high-temperature friction coefficient and reduces high-temperature thermal degradation, improving braking efficiency, with effects that cannot be replaced by other minerals.
Note: The products are divided into 40-70 mesh, 70-150 mesh, and 325 mesh, with a screening rate of 98%.
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