J-B Weld 8281 Professional Size Steel Reinforced Epoxy Twin Pack – 10 oz
Product Features
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Large Professional Size – Includes two 5 oz tubes (10 oz total), providing a larger volume of material for substantial projects or professional shop use.
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Superior Strength – Delivers a tensile strength of 5,020 PSI, creating a permanent bond that is often stronger than the original material.
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High-Heat Resistance – Once fully cured, the epoxy can withstand constant temperatures up to 550°F (287°C), making it suitable for engine blocks and exhaust manifolds.
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Machineable Finish – After curing, it can be drilled, tapped, filed, sanded, and painted, allowing for seamless and professional-looking restorations.
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Versatile Bonding – Effectively joins a wide range of surfaces including metal, wood, concrete, ceramic, and fiberglass.

Description
The J-B Weld 8281 provides a reliable alternative to torch welding for large-scale repairs. This two-part system features a simple 1:1 mixing ratio and offers a 30-minute set time, allowing you to carefully position or shape the material before it hardens. It reaches a full cure in 15–24 hours, drying to a dark gray color that is waterproof and resistant to petroleum, chemical, and acid exposure. Whether you are repairing a cracked engine block or restoring industrial machinery, this pro-size twin pack ensures you have the durability and quantity needed for the job.
Additional information
| Weight | 0.5 kg |
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| Dimensions | 17 × 11 × 10 cm |






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