High Purity Fused Refractory Mullite
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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.
Availability| Grit Sizes | CHEMICAL & PHYSICAL SPECIFICATION | ||||||
| Al2O3 | SiO2 | Fe2O3 | CaO | K2O+Na2O | Apparent Porosity | Bulk Density 9/cm3 | |
| 70.00 - 77.00 % | 22.00-29.00 %. | 0.20 % max. | 0.30 % max. | 0.25 % max. | 5.00 % max. | 3.00 % min. | |
| 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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