Description:
Permatex Copper Spray-A-Gasket Hi-Temp Sealant provides superior heat transfer and sealing performance for demanding engine environments. This fast-drying, metallic copper spray forms a thin, even coating that fills surface imperfections and prevents gasket burnout. Ideal for use on cylinder head gaskets, exhaust manifold gaskets, and other components exposed to extreme heat, it ensures a reliable, leak-free seal while resisting gasoline and other automotive fluids.
Engineered to withstand continuous temperatures up to 500°F (260°C), this copper-based formula improves gasket adhesion, enhances thermal conductivity, and helps eliminate hot spots—making it an essential tool for professional technicians and performance enthusiasts.
Features:
Fast-drying, metallic copper spray adhesive sealant
Enhances heat transfer and prevents gasket burnout
Fills minor surface irregularities and imperfections
Resistant to all automotive fluids, including gasoline
Effective temperature range: –50°F to 500°F (–45°C to 260°C)
Provides a uniform coating for even sealing surfaces
Suggested Applications:
Cylinder head gaskets
Exhaust manifold gaskets
Turbocharger and high-heat flange connections
Other high-temperature automotive sealing points
Compliance Notice:
⚠️ WARNING: Cancer – www.P65Warnings.ca.gov