... of clean, transparent, no bubbles and impurity. widely used in blasting, polishing, grinding etc. Glass beads with the quality of clean ... chemically with other materials so that it widely used in blasting, polishing, grinding etc. Chemical AnalysisPhysical PropertiesSiO2≥65.0%Bulk ... -200106-75220#140-270106-53280#200-32575-45 Size:0.2-10mmAll sizes can be supplied as required. Blasting Glass Beads