emzone Silicone Lube contains 100% pure high viscosity silicone. It lubricates, stops squeaks and prevents rust. The emzone Silicone Lube is ideal for use on rubber parts around windows, doors, trunk lids, mounts and contact points on hoods and prevents rubber from freezing and sticking to metal. It also helps keep rubber flexible. For use at home on garage doors, windows, doors, drawers and cabinets and helps rustproof tools and barbecues.