Purpose and Specifications

LIQUI MOLY Copper Paste 21699 is a high-performance release agent and lubricant packed with ultra-fine copper particles, perfect for machine parts under extreme heat and pressure. This 100g tube from the trusted LIQUI MOLY brand delivers outstanding thermal stability up to +1100°C and works reliably from -30°C, preventing seizing, squeaking, and corrosion on bolts, joints, and fittings.

Key practical benefits include easy disassembly after years of service, strong high-pressure protection for brake components and exhaust parts, and simple brush-on application after cleaning surfaces. It bonds tightly to metal, ensuring long-lasting performance in harsh conditions like high-heat engine areas.

When to Use / Replace?

Apply Copper Paste 21699 during assembly of high-stress parts such as caliper bolts, spark plugs, exhaust manifold studs, or cylinder head bolts to avoid future stuck components. Use it every 20,000 km or annually on brakes and exhaust systems exposed to heat cycles. Reapply if parts show wear or during major services like brake jobs.

Shelf life is 5 years when stored cool and dry. One 100g tube covers multiple applications, lasting through several maintenance cycles.

FAQ

• Can I use this on brake caliper slides? Yes, it prevents seizing and allows smooth operation from -30°C to over 1000°C, ideal for calipers that get very hot.
• Is it safe for all metals? Perfect for steel, iron, and stainless; avoids aluminum galling and works on most automotive fasteners.
• How much do I apply? Thin layer with a brush on clean, dry surfaces - too much can attract dirt, but it stays put under vibration.