Permatex Silicone Brake Lubricant Permatex Ultra Disc Brake Caliper Lubricant is an advanced, environmentally-friendly synthetic grease engineered to withstand extreme braking conditions. Its unique non-melting formula ensures smooth operation of caliper pins, sleeves, bushings, and pistons throughout the lifespan of the brake pads, maintaining optimal lubrication without degradation. Features: Green, non-melting, environmentally-friendly, 100 synthetic lubricant Formulated to lubricate under the most adverse brake conditions, preventing seizing and sticking of disc brake components Assures that critical metal-to-metal contact areas remain lubricated throughout the pad life Prevents disc brake squealing Temperature Range: -40F to 400F (-40 to 204C)