Product Overview
3M 5200 Marine Sealant (Black, 3 oz)

For a permanent, powerful seal in demanding marine environments, choose 3Mâ„¢ Marine Adhesive Sealant 5200 (Black, 3 oz). This high-strength, polyurethane sealant forms a weather-resistant bond on diverse substrates like wood, fiberglass, and metal, resisting saltwater and weathering above and below the waterline. Its flexible, elastomeric bond absorbs stress from vibration, swelling, and shrinking, ensuring long-lasting durability in even the toughest marine applications.
Key Features
- Powerful marine sealant
- Permanent solution for bonding marine substrates
- Resists saltwater and weathering
- Flexible bonds
- Long working time (up to 4 days to fully cure)
- Ideal for use above and below the waterline
- Bonds dissimilar materials (wood, fiberglass, gelcoat, plastics, and metals)
Specifications
- Material: Polyurethane
- Color: Black
- Size: 3 oz