Boron Carbide is an ideal raw material for production of refractory products, abrasive materials, and for ceramic products. Boron Carbide Boron carbide is an ideal raw material for production of refractory products, abrasive materials, and for ceramic products. GrainD50(μm)Total B%Total C%Fe2O3%Si%BC%F6025077-8017-210.25 -0.450.2 -0.496-98F70212F80180F90150F100125F120106F15075F18075-6376-7917-210 ...