3M 7000042727 Marine Adhesive Sealant 5200 Black 1/10 Gallon Cartridge

3M Marine Adhesive Sealant 5200 is a premium-grade, one-component polyurethane sealant designed for demanding marine applications. This professional-strength formula creates a permanent, flexible bond that withstands constant exposure to water, weather, and vibration.

Key Features:

• Superior waterproof seal for above and below waterline applications
• Permanent elastic bond flexes with hull expansion and contraction
• Excellent adhesion to fiberglass, wood, gelcoat, metals, and most plastics
• UV and saltwater resistant for long-lasting marine durability
• 1/10 gallon (13 fl oz) cartridge fits standard caulking guns
• Black color for professional-looking installations

Ideal for sealing hull fittings, through-hull penetrations, deck hardware, portlights, windshields, and structural bonding applications. The flexible cure allows for joint movement while maintaining a watertight seal. Each cartridge contains 1/10 gallon of sealant, and this product is sold by the case containing 12 cartridges.