Description
3M 320 Grit Wet/Dry Sandpaper is a versatile abrasive sheet designed for both wet and dry sanding applications on wood, metal, paint, and composite surfaces. The 320 grit rating makes it ideal for fine finishing workâsmoothing between coats, final surface prep before primer or paint, and detail sanding on aircraft interior components or control surfaces. Its dual-use design means you can sand dry for convenience or wet for reduced dust, longer paper life, and a finer finish, making it practical for the varied conditions in a small-shop or hangar environment.
Pilots and maintenance technicians working on composite fairings, wood trim, or metal inspections will appreciate having this medium-fine grit on hand for touch-ups and refinishing. Keep a supply in your maintenance kit for pre-paint sanding, smoothing primer runs, or preparing surfaces before touch-up lacquer. The wet/dry construction extends paper life when used with water or solvents, and the open-coat pattern resists clogging better than closed-coat alternatives when working on paint or putty.
