Calcined alumina, also known as alpha alumina, is produced by heating aluminum hydroxide to remove chemically bound water. The resulting material is a high-purity, stable oxide (Al₂O₃) with excellent hardness, thermal stability, and chemical resistance.
Zexi Mineral’s calcined alumina is widely used in ceramics, refractories, and polishing applications. It provides excellent performance in producing high-grade spark plugs, cutting tools, and insulating components.
Main Features:
High purity and consistent particle size
Excellent hardness and chemical stability
Superior thermal shock resistance
Applications:
Advanced ceramics and electronic insulators
Refractory materials for steel and glass industries
Polishing powders and abrasives
Zexi Mineral ensures stable quality through strict production control and provides customized particle size according to customer needs.