Tank Weld Gas Tank Repair 28g - J-B Weld
TankWeld™ is a steel-reinforced, hand-mixable epoxy putty designed for fast, permanent repairs on metal surfaces. This non-rusting formula creates a high-strength polymer compound that can be molded, shaped, and bonded directly onto steel components, even in tough environments. Whether you're patching a leaking radiator, sealing a cracked fuel tank, or rebuilding worn metal parts, TankWeld™ delivers industrial-grade results setting in just 5 minutes and fully curing within 1 hour.
Once cured, this dark gray compound can be drilled, tapped, machined, filed, ground, and painted, making it ideal for automotive, industrial, and household applications. With a tensile strength of 4000 PSI and heat resistance up to 300ºF, TankWeld™ is a must-have for professionals and DIYers alike.
Key Features:
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Tensile Strength: 4000 PSI 
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Set Time: 5 minutes 
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Full Cure: 1 hour 
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Cure Color: Dark Gray 
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Heat Resistance: Up to 300°F (149°C) 
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Non-rusting, steel-reinforced formula 
Great For:
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Gas tanks 
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Radiators 
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Water tanks 
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Lawn & garden equipment 
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General metal repairs 
Use On:
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Automotive parts 
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Metal and steel surfaces 
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Fiberglass 
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And more