3M Roloc Cloth Disc, 777F, grade 80, 1 in (25.4 mm) The 3M PSA Cloth Disc 777F features 3M-engineered high-performing ceramic abrasive grain blended with aluminum oxide for a combination of durability and cutting efficiency that increases productivity for both stock removal and finishingThe heavy, water-resistant polyester backing supports medium-pressure applications, a consistent cut-rate, and both wet and dry applications. Product Information Brand 3M Part # 7000045621 Backing Material Cloth Color Orange Diameter 1 Inch Grit 80 Material 777F Mineral Ceramic Origin Country USA Product Type Quickchange Discs Product InformationA blend of ceramic and aluminum oxide minerals self-sharpen and offer improved durability and cut rateGrinding aid helps reduce grinding temperatures for processes involving heat-sensitive alloysHeat-resistant resin coating bonds abrasive to backing for durability under pressure, heat, and waterPolyester backing is extremely tough, making it perfect for medium-pressure applications while maintaining consistent performance in both wet and dry applications
