Silicone grease especially for brake pad shim
Molykote® AS-880N Grease is a silicone oil/silica thickened grease containing specially formulated solid lubricants. It will remain serviceable at temperatures from -40° to 204°C (-40° to 400°F).
Molykote AS-880N Grease is designed to lubricate between metal/metal and metal/plastic components in disc brake systems. It is commonly applied between the brake pad and brake shim(s) to reduce and prevent squeal noise that occurs during braking.