J-B Weld 8272UK JB8272 Marine Weld Waterproof 2 Part Epoxy Adhesivesnn-- J-B WELD MARINEWELD: A two-part epoxy cold weld system that provides strong, lasting repairs to multiple surfaces. Ideal for all DIY marine and watercraft repairsn-- CURE AND SET TIME: After mixing the tubes at a 1:1 ratio, it takes 4-6 hours to set and 16-24 hours to cure. Once cured J-B Weld MarineWeld can be tapped, filled, sanded, molded and drilled. J-B Weld MarineWeldu2019s set and cure color is dark greyn-- VERSATILE AND DEPENDABLE: J-B Weld MarineWeld is steel reinforced, has a tensile strength of 5020 PSI and can withstand temperatures up to 550 degrees Fahrenheit 287 degrees Celsius. When fully cured, MarineWeld is waterproof and resistant to petroleum, chemical and acid. It retains strength above and below watern-- SURFACE APPLICATIONS: Aluminum, Fiberglass, Metal, Plastic/Composite, Woodn-- DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair .