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Calcined Spent Alumina

Calcined Spent Alumina Manufacturers & Suppliers in India

Calcined Spent Alumina, derived from recycled aluminum oxide (Al₂O₃) catalyst supports and industrial adsorbent matrices, is an off-white to light-greyish, thermally stabilized material widely used as a cost-effective secondary raw material across refractory, ceramic, cement, and abrasive applications. Produced through the controlled thermal processing and high-temperature calcination of recovered spent alumina, it eliminates volatile hydrocarbons and moisture to yield a dense, chemically stable material with high mechanical hardness.

Due to its exceptional thermal stability and versatility, Calcined Spent Alumina is vital for heavy industries, refractory brick and monolithic production, ceramic tile bodies, and steelmaking fluxes. Reliable Calcined Spent Alumina Manufacturers and industrial mineral processors provide high-grade Calcined Spent Alumina that ensures consistent quality, reliable sourcing, and industrial compliance for professional use.

Calcined Spent Alumina
AI2O3 90% to 94%
Fe203 0.50% Max
AP --
BD --

Calcined Spent Alumina Specifications

Processed through high-temperature calcination to eliminate volatile impurities, our Calcined Spent Alumina delivers a high purity of 90% to 94% Al₂O₃ with low iron content strictly restricted to 0.5% Fe₂O₃ max. It offers high thermal resistance, chemical inertness, and structural stability, serving as a cost-effective, sustainable raw material. Available in finely controlled mesh grades with optimized bulk density, it is extensively used in refractory formulations, monolithic castables, abrasive blends, ceramic manufacturing, and high-temperature insulation linings.

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