Cr2O3 46% Chromite sand AFS40-45 for foundry industry 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

 Chromite sand 400#800#for making colorants material 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 the

 Chromite sand foundry material AFS40-50 South Africa Cr2O3 46%min 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

 Chromite sand AFS40-45 for foundry factory material  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

 Chromite sand AFS40-45 for foundry factory material  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

 Chromite sand 325mesh for green bottles colorant material 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