roundness >85%refractive index >1.5gravity 2.4--2.6 We are manufacturer and supplier of glass beads in china, if you are in the market for glass beads used as blasting abrasives,road marking,and handicraft,please feel free to contact us and kindly let us to know.we have a high quality and lowest price,welcome you coolperate hand by hand, mutually beneficial,developing together!
