J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick - 4 oz. - JB Weld

The J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick (Model 8298U) offers a professional-grade, hand-mixable solution engineered for permanent repairs on automotive and industrial components exposed to sustained high temperatures. Designed for continuous service up to 500°F (260°C), this high-heat epoxy putty provides technicians a robust alternative for critical applications where traditional welding may not be feasible, forming a durable bond to both ferrous and non-ferrous metals.

Key Features

• Extreme Temperature Resilience: Maintains structural integrity under continuous exposure up to 500°F (260°C), making it ideal for demanding high-heat environments.
• Effortless Hand-Mixable Application: Requires no specialized tools, allowing for quick and direct application by simply cutting, kneading, and applying, even in tight spaces.
• Machinable, Professional Finish: Once fully cured (8 hours functional cure), the repaired area can be drilled, tapped, sanded, filed, and painted, ensuring seamless integration and a professional result.
• Strong Metal Adhesion: Formulated for reliable bonding to a variety of metals commonly found in vehicle systems and industrial machinery.
• Controlled Putty Format: Minimizes drips, runs, and waste, enabling precise application on cracks, holes, and worn surfaces with a set time of 1 hour.

Applications

This J-B Weld HighHeat epoxy putty stick is an essential tool for permanent repairs across a wide range of components. It is commonly used as a reliable j-b weld high heat epoxy putty stick for manifolds, tail pipes, and mufflers across domestic and import passenger vehicles, light trucks, and commercial fleets, offering an effective solution for exhaust system issues. Additionally, it is well-suited for patching high-temperature piping on compressors and heaters, sealing hairline cracks in engine blocks and casings where access for welding is restricted, and rebuilding worn areas on industrial housings. Its versatility extends to reinforcing or sealing high-heat brackets, flanges, and fittings in various maintenance, repair, and operations (MRO) environments.

Specifications

• Manufacturer: J-B Weld
• Model Number: 8298U
• Product Name: J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick
• Form: Epoxy putty stick
• Size: 4 oz.
• Temperature Resistance: Up to 500°F (260°C) continuous.
• Tensile Strength: 4000 PSI.