Brown Fused Alumina Manufacturers & Suppliers: Cumi is one of the most professional brown fused alumina manufacturers and suppliers in India. Our brown fused alumina is made of high-quality bauxite, anthracite and iron slag, and it is made by arc smelting at 2000°C or higher temperature. We produce brown fused alumina in various grain sizes for different purposes such as ceramics and resins, as well as grinding, polishing, sandblasting, and precision casting. They can also be used for the manufacture of advanced refractory materials. Get high purity brown fused alumina from Cumi at a reasonable price.