3M 08682

3M™ Single Step Primer 08682 is a one-component polyurethane-based primer designed to promote adhesion between 3M urethane windshield adhesives and automotive glass, primed pinchweld metal, and PVC encapsulated parts. It also functions as a blackout primer to help protect urethane adhesive from ultraviolet exposure while providing corrosion protection for minor pinchweld scratches. The fast-drying formulation requires no activator and is intended for professional automotive glass installation applications. :contentReference[oaicite:0]{index=0}

Key Features

• One-component primer that promotes adhesion of urethane windshield adhesives to glass, primed metal, and PVC encapsulated parts.
• Fast drying formulation requiring no activator before use.
• Blackout primer providing UV protection for urethane adhesives while helping protect minor pinchweld scratches from corrosion.

Applications / Suitable for

• Automotive windshield replacement
• Priming automotive glass before urethane bonding
• Priming PVC encapsulated glass and PAAS windshield systems
• Touch-up of minor pinchweld scratches