Waterproof Lube 5 OZ Non-Toxic PTFE Based Teflon Lubricant Sealant Aladdin 631 USA Made. Applications that can be used on motors, o-rings, gaskets, bearings and water filters. Magic Lube is a PTFE based, non-melting formula that is waterproof for use in both wet and dry environments. A wide temperature range 0 - 425 F.