Permatex Silicone Spray Lubricant electrically insulates, lubricates and waterproofs all types of mechanical equipment. Stops friction by coating hinges and channels, preventing locks, doors and windows from binding and squeaking. This high silicone formula does not attract dust or dirt and will not mar paint, rubber or plastic surfaces. Prevents binding, sticking and detoriation, while protecting and renewing rubber mountings, bushings and weather stripping. Widely known and trusted, these tried and true Permatex lubricants work to protect and lubricate virtually every automotive part and component. Suggested applications include door locks, trunk lids, brake cables and rubber molding.