Typical RejectedCR2O3: 34%30%min.Cr/Fe: 1.45Min below 1.50/1Al2O3: 10%-16%MAX.SiO2: 6%- 10%MAXMgO: 6%-12%MAXCaO: 1%-3%MAXP: 0.05%maxS: 0.05%maxMoisture: 3%-5%Size:0-1mm 90%min