AMR3-M-05205 * 3M 5200 Polyurethane Adhesive Sealant - BLACK - 3 OZ
High performance, one-part polyurethane. Extremely strong and retains its strength above or below the waterline. Stays flexible. Watertight bonding/sealing of fiberglass, gelcoat and wood. Ideal for through-hull fastening. deck fittings, railings and transducers. Best when NO Removal is anticipated.