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High Purity Fused Refractory Mullite

High purity fused refractory mullite is a fused mixture of alumina powder and high purity silica sand using a 3 phase electric arc furnace. The material comes in a wide range of grades, according to customers requirements.

This material as one kind of high purity refractories, is fused from a mixture of alumina powder and a high purity Zirconite in 3-phase electric arc furnace at a high temperature. It is characterized by its high homogenization and low porosity, high thermal conductivity and low thermal expansion co-efficient at its good slag resistance. It is widely used in refractory and metallurgical industries. It is available in various grades as per requested.

High Purity Fused Refractory Mullite


Availability
Grit Sizes CHEMICAL & PHYSICAL SPECIFICATION
Al2O3 SiO2 Fe2O3 CaO K2O+Na2O Apparent Porosity Bulk Density 9/cm3
0.1 mm min. 70.00 - 77.00 % 22.00-29.00 %. 0.20 % max. 0.30 % max. 0.25 % max. 5.00 % max. 3.00 % min.
0.1 mm max. 70.00 - 77.00 % 22.00-29.00 %. 0.30 % max. 0.30 % max. 0.30 % max. 4.00 % max. 2.00 % min.

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