J-B Weld TankWeld is a hand-mixable, steel-reinforced epoxy putty designed to repair or rebuild metal components quickly and permanently. This non-rusting compound is ideal for fixing fuel tanks, gas tanks, oil pans, radiators, water tanks, and lawn and garden equipment. Whether you need to patch a leak, rebuild a damaged section, or seal a crack in metal, TankWeld forms an industrial-strength polymer that adheres securely and lasts.
Simply mix the putty by hand, mold it into shape, and apply it to the damaged area. Sets in just 5 minutes and after 60 minutes, the hardened putty can be drilled, tapped, machined, ground, filed and painted like metal, making it versatile for finishing to your specifications.
Features and Benefits
- Fast Setting: Sets in just 5 minutes, allowing you to work quickly on repairs.
- Fully Workable: After 60 minutes of curing, the hardened putty can be drilled, tapped, machined, ground, filed and painted like metal.
- Steel-Reinforced Formula: Delivers industrial-strength adhesion with a tensile strength of 900 PSI for durable, long-lasting repairs.
- Temperature Resistant: Withstands temperatures up to 300°F after curing.
- Non-Rusting: The dark grey cured finish resists rust and corrosion, protecting metal components.
- Hand-Mixable: Mix by hand to prepare for application.
Specifications
- Brand: J-B Weld
- Model: 8217
- Size: 1 ounce
- Color: Dark grey (when cured)
- Tensile Strength: 900 PSI
- Set Time: 5 minutes
- Work Time: 60 minutes until fully cured and machinable
- Temperature Rating: Withstands up to 300°F
- Material: Steel-reinforced epoxy putty
- Features: Non-rusting, hand-mixable, can be drilled, tapped, machined, ground, filed and painted








