
325mesh 400mesh 600mesh Chromite Flour for Colorant
325mesh 400mesh 600mesh Chromite Flour for Colorant Chromite sand ,it’s main chemical composition is Cr2O3(chromic oxide), This kind of sand heating volume is stable , High thermal conductivity , sand molten metal contact , not only has a good alkali slag resistance , not with iron oxide and other chemical reaction , and itself has


