3M Marine Adhesive Sealant 4000 UV is a one-component, medium-strength, moisture-curing, gap-filling sealant that cures to form a firm, flexible and waterproof seal on aluminum, wood, gel coat and fiberglass, making it well-suited for marine applications above or below the waterline.• Used For: Bond Aluminum/ Wood/ Gelcoat And Fiberglass• Temperature Range (Deg F):-40 To +190 Degree Fahrenheit• Color: White• Unit Size: 9.8 Ounce• Unit Type: Cartridge• Unit Quantity: Single 290 Milliliter Cartridge 15 To 30 Minutes Tack Free Time White