3M Marine 4200 FC Adhesive Sealant is a one-part general all-purpose polyurethane that chemically reacts with moisture to give a flexible bond with good adhesion to wood, fiberglass, gel coat, plastics and metals.4200FC is paintable and sandable. It forms watertight, weather resistant seals on joints and boat hardware above or below the waterline.
- Fast curing polyurethane formulated to allow for disassembly of parts.
- 3M 4200 FC Adhesive Sealant has roughly the strength of 5200.
- Seals and bonds a wide variety of substrates.
- Non-sagging formulation. 12 months shelf life