Tackle moderate sanding and surface preparation tasks with the 3M 431Q 150 Grit Wet or Dry Sandpaper Sheet. Designed with sharp-cutting silicon carbide minerals, this 9″ x 11″ sheet is optimized for fast, efficient material removal on a variety of surfaces including metals, plastics, fiberglass, painted finishes, and wood. The medium-coarse grit makes it ideal for smoothing rough surfaces, feather-edging, or prepping before finer sanding steps.
Engineered for wet or dry use, the waterproof and tear-resistant paper backing ensures durability and flexibility even in challenging conditions. Whether used in automotive refinishing, industrial applications, or detailed DIY work, the 3M 431Q series delivers consistent performance and a professional-quality finish.