... Fused Alumina is a kind of middle or high level refractory material. With the eye-catching white color and the ... ladles, middle or high level iron runner casting material, gunning refractory and 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 ...