3M 06396 Primer 94 Adhesion Promoter Packets (25 Count) is a professional-grade surface preparation product designed to improve adhesion of automotive attachment tapes and decals to difficult-to-bond substrates. This primer enhances bonding performance on plastics, painted surfaces, metal, and other low-surface-energy materials commonly found in automotive applications. Packaged in convenient single-use packets, Primer 94 allows for controlled, mess-free application while helping maximize the holding strength of double-sided automotive attachment tapes. It is commonly used prior to installing body side moldings, trim pieces, emblems, and other bonded components to ensure long-term durability and performance.
Key Features
- Packets: Convenient application for consistent, controlled use
- Adhesion: Enhances bonding strength on plastics, painted metal, and other surfaces
- Installation: Commonly used with automotive attachment tapes
- Durability: Helps reduce lifting or bond failure over time
- Application: Simple wipe-on surface prep step
- Professional
- Grade: Trusted in collision repair and automotive installation workflows
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.
