3M Wetordry Sandpaper has long been a great choice for auto repair jobs – there’s no need to spend extra time switching sandpaper between wet sanding and dry sanding. A full range of grades features silicon carbide abrasives mounted on flexible, waterproof paper for consistently excellent results. Wetordry Sandpaper can be used by hand or for machine sanding.
- Blend primer and paint – 600 grit is perfect for scuffing primer before color base coat and refining the blend area before color base coat
- Wet or dry sanding – use for wet sanding and dry sanding without switching sandpaper
- Smooth finish – delivers 10% smoother finish vs conventional 3M sandpaper
- Longer lasting sandpaper – silicon carbide abrasive self-fractures for longer life
- Great for auto body repair – silicon carbide grain is available in a range of grits from 400 grit for 2500 grit for non-aggressive sanding and polishing jobs on clear coat, plastic and metal, including areas that require hand compounding and for sanding dark colored paints
- Features durable yet flexible lightweight (A – weight) paper backing to conform to auto body surfaces
- Available in 9 in. x 11 in. and 3-2/3 in. x 9 in. sheets for a variety of uses
- Features waterproof backing for wet sanding applications
- Convenient sheet can be used wet or dry on paint, primer, gel coat and metal
- Ideal for step 3 of the 3M body repair system – paint, this stage includes painting the area and blending and smoothing primer and paint



















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