... , polishing , grinding . Industrial usage The glass beads used in metal cleaning, polishing & filler materials in plastic, paint & ... hardness≥635kg/ m3. It is extensive to used for the machine parts, nicety instruments to Polishing and rubbing, the clothing, handicraft ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Glass Beads for grinding