Provides immediate low pressure sealing performance for tapered pipe threads. This product is designed to cure when in contact with metals fully installed. Lubricates and resists corrosion. Prevents leakage and loosening from vibration and moisture in hydraulic, pneumatic, steam and process piping. Allows final adjustment up to 24 hours after application. Instant sealing to 10,000 psi. An excellent replacement for pipe dopes and pipe tapes. Will not crack or shrink. Contains PTFE. "567 Loctite® functional equivalent"