An aluminum zirconia abrasive belt constructed on a water-resistant, YF-weight polyester cloth backing. 3M™Cloth Belts 577F feature a grinding aid for cooler grinding and are resin bonded for heat resistance. They perform well on a variety of metals and can be used in both wet and dry applications. The 3M™ Cloth Belt 577F is a versatile belt that can be run wet or dry. It is made of an aluminum zirconia abrasive mineral that cuts faster than aluminum oxide across all metal types. The heavy YF-weight cloth backing supports high pressure and tough applications. It also incorporates a grinding aid intended to reduce heat and improve performance when used on stainless steel and other exotic metals. The resin bonding withstands high heat and pressure for a longer service life. 3M™ Coated Belts are available in a variety of sizes and performance levels for all of your coated abrasive belt needs.