3M Marine Adhesive Sealant Fast Cure 4200FC is a one-component, medium-strength, moisture-curing, gap-filling polyurethane that delivers strong, flexible bonds to aluminum, wood, gelcoat and fiberglass. It forms watertight, weather-resistant seals above and below the waterline. In addition, its flexibility allows for dissipation of stress caused by shock, vibration, swelling or shrinking. 3M Marine Adhesive Sealant Fast Cure 4200FC chemically reacts with moisture, delivering flexible bonds with good adhesion to wood, fiberglass, gelcoat, plastics and metals. This multi-purpose adhesive bonds dissimilar materials, forming a watertight, weather-resistant seal on joints and boat hardware above and below the waterline.• Used For: Bond Aluminum/ Wood/ Gelcoat And Fiberglass• Temperature Range (Deg F):-40 To +190 Degree Fahrenheit• Color: Black• Unit Size: 10 Ounce• Unit Type: Cartridge• Unit Quantity: Case Of 12 10 Ounce Cartridge 50 To 90 Minutes Tack Free Time Black | 3M Marine Adhesive Sealant Fast Cure 4200FC