Magic Lube is a PTFE based, multipurpose sealant/lubricant that can be used in both wet and dry environments with a temperature range of -10 to 425F. Specially formulated to be non-melting, non-volatile, and waterproof, Magic Lube. It is chemical resistant and compatible with most metals, rubbers and plastics. It is commonly used on motors, o-rings, gaskets, bearings, water filters and has been USDA H-1 Rated to be environmentally safe..