3M Marine Adhesive Sealant 4200 Fast Cure is a one-component, medium-strength, moisture-curing, gap-filling polyurethane that delivers strong, flexible bonds to aluminium, wood, gelcoat and fiberglass. It forms watertight, weather-resistant seals above and below the waterline. In addition, its flexibility allows for dissipation of stress caused by shock, vibration, swelling or shrinking.
- Medium strength marine bonding allows for disassembly
- Formulated for fast cure, providing rapid results
- Tack-free in 1 hour and typically cures in 24 hours
- Above and below the water line applications
- Flexible and durable adhesion withstands stress