ri-Flow® Clear Synthetic Grease is a premium quality, extreme pressure, non-melting, waterproof formula that seals out water contaminants. Compatible with most rubbers and plastic and stands up to extreme temperatures (-10 to +400 degrees F). Guaranteed to optimize the performance of your equipment's moving parts and will allow them to last longer and run quieter and smoother. Prevents rusting even when exposed to salt water! Formulated with P.T.F.E. (Teflon!).