The 3M™ Wetordry™ Abrasive Sheet 401Q is a professional-grade silicon carbide sanding sheet designed for automotive paint finishing, collision repair, and precision wet sanding. Its waterproof backing allows for both wet and dry applications, delivering a fast cut, uniform scratch pattern, and excellent surface finish on primers, paints, clear coats, gel coats, and metal.
Ideal for removing dust nibs, orange peel, and other paint imperfections prior to polishing or refinishing.
Features
- Premium silicon carbide mineral for fast, consistent cutting
- Waterproof backing for wet or dry sanding
- Flexible sheet conforms to curves and contours
- Produces a fine, uniform scratch pattern
- Excellent resistance to loading
- Ideal for automotive paint preparation and finishing
- Professional-grade quality from 3M™
Applications
- Color sanding
- Clear coat finishing
- Primer sanding
- Paint defect removal
- Dust nib and orange peel removal
- Metal and composite finishing
- Surface preparation before polishing
Available Grits
800, 1500, 2000, 2500
Sheet Size
- 9 in × 11 in (230 mm × 280 mm)
Package Quantity
Recommended Use
- Hand sanding
- Sanding blocks
- Wet sanding applications
- Automotive refinishing and collision repair
