Hernon Powerseal 932 is a single component, nonhardening, non-curing gray paste pipe sealant, which lubricates and instantly seals threaded pipe connections and ORings. Powerseal 932 is safe to use on plastic and metal and is unaffected by water, oil, ammonia, glycerin, steam, all types of gases, and exhaust fumes. Powerseal 932 withstands extreme temperatures and pressures and will not shrink, crack, shred or crumble. Powerseal 932 remains pliable and will not harden, making connections vibration proof. Powerseal 932 also prevents corrosion, galling, and seizing of metal parts.