ROUNDISH FUSED ALUMINA PARTICLES, PRODUCTION PROCESS THEREOF, AND RESIN COMPOSITION CONTAINING THE PARTICLES

摘要

A roundish fused alumina particles having a mean particle size of 5 to 4,000 μm and a roundness of 0.85 or more, and a producing method thereof are provided. The method comprises removing edges of fused alumina particles by making the fused alumina particles collide with each other.