3M 07747 Scotch-Brite™ Primer Prep Scuff (4.75 inch x 15 foot roll) is a professional-grade non-woven abrasive roll designed for surface preparation prior to primer and refinishing applications. Engineered to create a consistent scratch pattern, this prep scuff material helps promote adhesion of primers, sealers, and topcoats in automotive repair environments. Constructed with durable Scotch-Brite™ abrasive fibers, the material conforms easily to curves, edges, and complex body lines, making it ideal for scuffing hard-to-reach areas. The roll format allows technicians to cut the desired length for efficient material usage and reduced waste during collision repair and paint preparation workflows.
Key Features
- 4.75 in x 15 ft
- Roll: Cut-to-length format for controlled usage
- Designed for
- Prep: Creates uniform scratch pattern for improved coating adhesion
- Construction: Conforms to contours and tight areas
- Scuffing: Suitable prior to primer, sealer, or paint application
- Performance: Helps promote reliable refinishing results
- Professional
- Grade: Trusted in collision repair and automotive refinishing facilities
Frequently Asked Questions
What is primer used for in auto body?
Primer provides a foundation between bare metal or body filler and topcoat paint. It fills minor imperfections, promotes paint adhesion, and provides corrosion protection.
Do I need to sand primer before painting?
Yes, primer surfacer should be block sanded with 320-400 grit to level the surface and provide the proper scratch pattern for paint adhesion.
