? Paper PSA Disc Roll,Paper Discs ? Create an impressive finish when you attach the Durite A475 fine grit paper PSA disc to your random orbital sander or right angle grinder. With its P-grade silicon carbide abrasive, the disc easily cuts through the toughest of materials and veneers, and its flexible fiber-reinforced B-weight latex paper backing keeps it flexible and resistant to tears. Minimize loading and color transfer to your work surface thanks to the disc's water-based stearate and non-pigmented No-Fil coating. The durable, long-lasting disc is the ideal choice for hard-to-sand metals, fiberglass and composites, as well as hard and soft woods. ? Sharp and hard, P-graded, silicon carbide abrasive easily penetrates the hardest material and veneers to create finer finishes where finish is critical ? Flexible, B-weight fiber reinforced, latex paper backing provides flexibility and resistance to tearing ? Water-based non-pigmented stearate No-Fil coating minimizes loading, with no color transfer to work ? Better choice for fine grit blending, sanding, and finishing of hard-to-sand surfaces and wood applications; pressure sensitive adhesive and linked disc roll format allow easy application, removal, and dispensing ? Use 80-220 grit for intermediate sanding