80-95um Calcined Alumina Coarse Powder for Refractory Castable and Thermal Insulation Materials, Stable Quality Aluminum Oxide for Special Glass

80-95um Calcined Alumina Coarse Powder for Refractory Castable and Thermal Insulation Materials, Stable Quality Aluminum Oxide for Special Glass. Customizable Particle Size. High Purity Alumina. Low Sodium Content. Wide Application Range: Used in refractories, ceramics, glass, electronic components and lithium battery cathode coatings. Stable Crystal Form: Features excellent sintering performance, stable linear shrinkage, and high temperature resistance. Comprehensive Quality Testing: Full QC on chemical & physical properties,with COA per batch. Available in 50kg,1000kg,1200kg bags.