1 2 thermal expansion magnesia chrome brick

... coefficient between 2.5-3.5×10-6/℃, a refractoriness of 1700-1800℃, a chemical composition of MgO-Cr2O3, and a bulk density of 2.7-3.0 G/cm3. With these excellent properties, Magnesia Chrome Brick also has good resistance to chemical corrosion,...

...Magnesia chrome brick is a type of silica refractory brick, made of magnesium oxide and chrome oxide, by firing in high temperature. It is of gray color, with a thermal expansion coefficient of 0.9-1.1%, and a cold crushing strength of 50MPa. The chrome magnesium brick is available in brick shape, and is mainly used in cement kilns. With its excellent resistance to thermal shock, erosion, and chemical attack, the magnesia...