Description 3M Fast Cure 4200 Adhesive/Sealant The 3M Fast Cure 4200 Adhesive/Sealant reacts with moisture to deliver flexible bonds with good adhesion. It bonds to wood, fiberglass, gelcoat, certain plastics and also metals. This adhesive/sealant is paintable and sandable. It also forms watertight, weather resistant seals above or below waterline. White Check out more Adhesive and Sealants here.
