The 3M 431Q 120 Grit Wet or Dry Sandpaper Sheet is designed for efficient material removal and surface leveling across a wide range of applications. Featuring sharp-cutting silicon carbide abrasive, this 9″ x 11″ medium-grade sheet is ideal for sanding bare metals, fillers, primers, plastics, and painted surfaces. Whether you’re prepping for painting or smoothing rough patches, this versatile abrasive delivers fast, consistent results.
Built on a durable, tear- and moisture-resistant paper backing, the 431Q sheet performs reliably in both wet and dry sanding environments. Wet sanding helps reduce dust and heat, extending the abrasive’s life and improving surface quality. A top choice for auto body work, woodworking, and industrial finishing, this sheet combines flexibility, long-lasting performance, and professional-grade results.
