... beads with the quality of clean,transparent,no bubbles and impurity. Widely used in sandblasting,polishing,grinding. H& ... beads with the quality of clean,transparent,no bubbles and impurity. Widely used in blasting,polishing,grinding etc. ModelMeshSize ... 60-100 300-150 100# 70-140 212-106 120# 100-140 150-106 150# 100-200 150-75 ... American Standard Abrasive glass beads for sandblasting and polishing