... MgO:0.01% White Fused Alumina is a kind of middle or high level refractory material. With the eye-catching white color and the ... . It is applied to the unshaped refractory materials, such as refractory carstables for ladles, middle or high level iron runner ... also can be used to kinds of corundum products, such as corundum bricks, corundum, mullite corundum, refining corundum perforated bricks, ...