Emzone's silicone lubricant contains 100% pure, high-viscosity silicone. It lubricates, stops squeakings and prevents rust. Emzone's silicone lubricant is ideal for use on rubber parts around windows, doors, trunk lids, brackets and contact points on hoods, and prevents rubber from freezing and sticking to metal. It also helps keep the rubber flexible. For home use on garage doors, windows, doors, drawers and cabinets and helps rustproof tools and barbecues.