Cerium Oxide Resin-Bonded Belts Go green while saving time and materials with our Cerium Oxide Resin-Bonded belts .The cloth backing provides more friction allowing for more aggressive polishing. The high concentration of cerium oxide particles in these diamond belts ensures a extraordinarily smoothfinish. The discs will not develop unwanted notches or jagged edges that cause nicks and other imperfections during the polishing process. These Cerium Oxide Sanding belts have a strong flexible fabric backing that will not crack or lose pliancy after repeated use.