MOLYKOTE® AS-880N Grease

MOLYKOTE® AS-880N is a brake-specific silicone compound designed for the interfaces that actually generate disc brake noise: pad backing plate to shim, shim to caliper, and similar metal/metal or metal/plastic contacts. A silicone oil base, thickened with silica and boosted with solid lubricants, spreads into a very thin layer that stays put under clamp load, vibration, and temperature cycling.

Unlike general-purpose greases, AS-880N is formulated around brake NVH (noise, vibration, harshness). The silicone backbone handles repeated high-energy stops and cold starts, while the solid lubricant package breaks up stick–slip at the pad/shim interface that turns into audible squeal. Low bleed and controlled evaporation at elevated temperature help keep the film in place instead of migrating onto friction surfaces.

Because it is brake-focused and compatible with common pad, shim, and hardware materials, AS-880N gives engineers and technicians a controlled way to manage squeal without changing pad friction materials or relying on improvised lubricants that may not survive real-world service.