3M Marine Fast Cure Adhesive Sealant 5200 is a fast-curing, one-part polyurethane that chemically reacts with moisture to create strong, flexible bonds. Designed specifically for marine environments, this adhesive forms water-tight, weather-resistant seals on joints and boat hardware above and below the waterline. It bonds effectively to wood and fiberglass, making it ideal for transom repairs, underside molding, and other critical marine applications where durability and reliability are essential.
The elastomeric formulation of this marine sealant adapts to structural movement, allowing it to dissipate stress caused by shock, vibration, swelling, and shrinking. This flexibility, combined with its excellent resistance to weathering and salt water exposure, ensures that bonds remain strong and intact even in harsh marine conditions. Whether you’re sealing deck hardware, repairing fiberglass components, or maintaining wooden boat structures, this formula delivers dependable performance in demanding environments.
Features and Benefits
- One-Part Polyurethane Formula: Chemically reacts with moisture to create strong, flexible bonds without mixing or additional preparation.
- Water-Tight Seals: Creates reliable, weather-resistant bonds that protect against water infiltration and salt spray damage both above and below the waterline.
- Flexible Bond: The elastomeric polyurethane formulation flexes with structural movement and temperature changes, preventing seal failure from stress and vibration.
- Wood and Fiberglass Adhesion: Bonds strongly to wood and fiberglass substrates, making it suitable for boat repairs and marine construction.
- Excellent Weathering and Salt Water Resistance: Engineered to withstand prolonged exposure to marine elements and harsh environmental conditions.
Specifications
- Brand: 3M
- Model: 06520
- Color: White
- Size: 10 oz cartridge
- Type: One-part polyurethane adhesive/sealant
- Cure Time: 5 to 7 days
- Temperature Range: -40 to 190 degrees Fahrenheit
