... quality of clean, transparent, no bubbles and impurity. widely used in blasting, polishing, grinding etc. Glass beads with the ... other materials so that it widely used in blasting, polishing, grinding etc. Chemical AnalysisPhysical PropertiesSiO2≥65.0%Bulk ... , plastic, metal casting, extrusion & stamping dies etc.3.Cleaning and removing the flash, burr of integrate circuit, semiconductor device, metal ...