Suitable for heavy industry polishing, such as yachts, high-speed rail, wind power, casting, and other industries back base is made of anti damage film substrate, which is sturdy and maintains flexibilityZirconium corundum abrasives have stronger grinding properties than ordinary alumina abrasives, are more efficient, time-saving, and labor-savingFull resin adhesive abrasive production process, anti-clogging coating to extend service life polishing objects: metal, composite materials, automotive paint, hardwood.