... , it can effectively improve the volume stability and the thermal shock resistance of the material. It is the mainly raw material to ... fabricate parts ect. It also can be used to kinds of corundum products, such as corundum bricks, corundum, mullite corundum, refining ... corundum perforated bricks, overall blowtorch and combined nozzle, side ceiling of the high temperature kiln, ect. All in all, it is ...