DuPont™ MOLYKOTE® CU-7439 Plus Paste is a copper-based, high-performance lubricant and protective assembly paste developed for heavy industry, automotive, power generation, and metalworking applications.
It is ideal for bolt connections, flange surfaces, exhaust systems, and brake assemblies exposed to high temperatures and extreme loads. The paste forms a protective film on metal surfaces, preventing oxidation, corrosion, and rust while ensuring easier assembly and disassembly.
With a wide operating temperature range of -30°C to +650°C, MOLYKOTE® CU-7439 provides long-lasting protection under harsh conditions. Its environmentally friendly formulation contains no lead, nickel, or graphite, making it safe and reliable for modern industrial use.
Prevents seizure and welding under extreme heat
Copper-based solid lubricants provide thermal conductivity
Strong resistance against corrosion, rust, water, and salt spray
Facilitates easy assembly and disassembly, saving maintenance time
Wide operating range: -30°C to +650°C
Lead-, nickel-, and graphite-free formulation
Exhaust manifolds and turbocharger systems
High-temperature flange connections
Steam lines and chemical plant piping systems
Brake systems and caliper bolts
Energy and petrochemical installations
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