Various of Glass beads, for grinding, blasting, polishing, peeing,road marking and decoration etc. Brief Description :Glass Beads are made of hardened spherical soda ... (no free silica) Suitable for pressure, suction, wet and dry blasting equipment Will not contaminate or leave residue on work pieces ... -212No.1075-150No.1153-106No.1245-90No.1345-0 Glass Beads