H&X glass beads with the quality of clean,transparent,no bubbles and impurity. Widely used in sandblasting,polishing,grinding. H& ... X glass beads with the quality of clean,transparent,no bubbles and impurity. Widely used in blasting,polishing,grinding etc ... -200 106-75 220# 140-270 106-53 280# 200-325 75-45 Grinding Glass beads 1-1.5mmChemical AnalysisPhysical PropertiesSiO2≥65.0%Bulk ...