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