3M 7000045778 Marine Adhesive Sealant 5200 Mahogany 295mL Cartridge

3M Marine Adhesive Sealant 5200 is a multi-purpose, high-strength adhesive sealant made specifically for the marine market that forms a weather-resistant seal. This one-component, moisture-curing, gap-filling polyurethane is designed for permanent bonding of wood, gelcoat and fiberglass. It cures to form a firm, rubbery, waterproof seal on joints and boat hardware, above and below the waterline.

Key Features:

• Trusted throughout the marine industry for over 50 years
• Moisture-activated formula provides plenty of working time, taking up to 4 days to fully cure
• Reliably bonds dissimilar materials including wood, fiberglass, gelcoat, plastics, and metals
• Flexible and allows for structural movement and dissipation of stress caused by vibration, swelling, shrinking or shock
• Ideal for sealing portholes, deck/hull fittings, rub rail attachment, screw holes, and stanchion supports
• Technical specs: 700 psi tensile strength, Shore A hardness 68, 750% elongation
• Available in mahogany color in 295 mL cartridge

This polyurethane sealant forms permanently flexible, elastomeric bonds that seal against the elements, maintain joint movement, and absorb stress caused by shock, vibration, swelling or shrinking. Designed to meet the high demands of the marine environment, making it ideal for creating tough bonds resistant to saltwater and weathering.