3M™ Cloth Belt 577F features alumina zirconia abrasive grain for increased cutting efficiency over aluminum oxide belts, and is backed with a heavy, water-resistant polyester backing that stands up to high-pressure applications and edge work. The durable backing ensures long life and supports both wet and dry operations.
Alumina zirconia mineral with a grinding aid provides more cutting power than aluminum oxide across all metal types
Heavyweight cloth backing provides durability for high-production environments
Tough alumina zirconia abrasive mineral cuts fast and performs well on many substrates