CUMI’s Fused Zircon Mullite is manufactured by fusing a mixture of high purity raw material by a unique process. The fused solidified Zirconia Mullite is crushed and graded to custom sizes in a state of the art facility.

CUMI HEAT ZirMul is used in applications requiring high resistance to environmental corrosion and a low coefficient of thermal expansion like refractory shapes requiring resistance to molten slag and molten glass, ceramic pressure casting tubes etc.

Available in all Customer Specified sizes.