High cost performance, suitable for general customer needs. the purity of Cr2O3 is high to 99% and above, the impurity content of Fe2O3 and SiO2 is very low (≤ 0.2%), the water-soluble matter is very low (≤ 0.3%), the sieve residue is very low (≤ 0.5%), D50 is 1.2-2μm natural bulk density 0.6~0.8g/cm3.Green powder. Application: firebrick, prefabricated parts, ramming material, castable, fireclay, etc