... is a kind of middle or high level refractory material. With the eye-catching white color and the ... carstables for ladles, middle or high level iron runner casting material, gunning refractory and fabricate parts ect. It also ... it is widely used in steel, cement, ceramics, grinding material and petrochemical industries. Physical propertiesChemical compositionsValue of specifications (%)HexagonalAl2O3 ...