The 3m 4200FC Marine Adhesive Sealant is a fast-curing, one-part polyurethane designed to create strong yet flexible bonds in demanding maritime environments. This medium-strength formula effectively seals dissimilar surfaces above and below the waterline while allowing for future disassembly and maintenance without damaging substrates.
- Achieves a tack-free state in 1 hour and a typical full cure in 24 hours, significantly reducing equipment downtime and accelerating project timelines.
- Remains permanently elastic to absorb stress from vibration, shock, and thermal expansion, preventing bond failure in high-movement joints.
- Forms a watertight, weather-resistant seal on a variety of materials including wood, fiberglass, gelcoat, and various metals and plastics.
This sealant is ideal for marine technicians and maintenance professionals who need to secure deck fittings, portholes, rub rails, and hull-to-deck joints that may eventually require removal or service.
- Color: White
- Size: 295 mL Cartridge
- Adhesive Type: Polyurethane
- Tensile Strength: 300 psi
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