Yellow Bismuth trioxide powder 1.Purity: Bi2O3 99.9% up 2.Average Particle: Size ... ,99.9% 99.99%99.999%) 2.Properties: light yellow powder, odorless, heating becomes brown red, becomes yellow after cooling 3 ... metal ingot purity 99.99%, 99.999%, 99.9999% Bismuth powder mesh size 50mesh, 100mesh, 200mesh, 325mesh, 500mesh Bismuth granules size ...