Sumitomo Chemical’s HPA is uniform fine powder characterized by highly pure and homogeneous crystal structure. We produce HPA by Aluminium Alkoxide Hydrolysis process.Advanced Aluminas are α-alumina single crystals with precisely controlled particle size distribution and almost-spherical polyhedral shape.
High purity alumina、HPA、Advanced Alumina
Inorganic Materials Division
27-1, Shinkawa 2-chome, Chuo-ku, Tokyo 104-8260, Japan