Description
Repair and rebuild high-temperature components with confidence using the J-B Weld HighHeat Epoxy Putty Stick. Specially formulated for automotive, industrial, and maintenance applications, this hand-mixable two-part epoxy putty delivers exceptional strength and durability in environments where conventional epoxy putties may fail.
Designed to withstand extreme heat exposure, HighHeat is ideal for repairing exhaust systems, engine components, machinery, ductwork, and other metal surfaces subjected to elevated temperatures.
Key Features
Engineered for High-Temperature Repairs
Formulated specifically for repairing materials exposed to continuous and intermittent heat in demanding automotive and industrial environments.
Withstands Up to 500°F (260°C)
Continuous Heat Resistance: Up to 450°F (232°C)
Intermittent Heat Resistance: Up to 500°F (260°C)
Provides reliable performance where standard epoxy putties may soften or deteriorate.
Industrial-Strength Bond
Delivers exceptional durability with:
Tensile Strength: 4,000 PSI
Lap Shear Strength: 800 PSI at Room Temperature
Lap Shear Strength: 600 PSI at 400°F (204°C)
Engineered to maintain strength even under elevated temperatures.
Hand-Mixable Two-Part Formula
Convenient putty stick format allows easy application without specialised tools. Simply cut, knead, and apply directly to the repair area.
Fast Setting Time
Working Time: Approximately 3 minutes
Initial Set: 1 Hour
Full Cure: 8 Hours
Provides quick repairs while developing a tough, permanent bond.
Machineable After Curing
Once fully cured, the repair can be:
Drilled
Tapped
Sanded
Filed
Ground
Machined
Painted
Allowing seamless restoration of damaged components.
Minimal Shrinkage
Cures to a hard, durable machine-grey finish with little to no shrinkage for dependable long-term repairs.
Ideal Applications
Exhaust Manifolds
Tail Pipes
Mufflers
Engine Blocks
Automotive Components
Industrial Machinery
Metal Ductwork
High-Temperature Equipment
Maintenance & Repair Projects
Why Choose J-B Weld HighHeat?
Unlike standard epoxy putties, J-B Weld HighHeat is specifically engineered to retain strength and durability in high-temperature environments. Its combination of heat resistance, machinability, and industrial-grade bonding performance makes it a trusted solution for automotive repairs, machinery maintenance, and metal restoration projects.
Specifications
Brand: J-B Weld
Model: 8297 HighHeat
Size: 2oz (57g)
Colour: Grey
Type: Two-Part Epoxy Putty Stick
Tensile Strength: 4,000 PSI
Lap Shear Strength: 800 PSI (Room Temperature)
Continuous Heat Resistance: 450°F (232°C)
Intermittent Heat Resistance: 500°F (260°C)
Set Time: 1 Hour
Full Cure Time: 8 Hours
Finish: Machine Grey
J-B Weld HighHeat Epoxy Putty Stick delivers professional-grade repair performance for high-temperature applications, providing a strong, durable, and machinable bond that stands up to demanding automotive and industrial conditions.