LOCTITE 542 is designed for the locking and sealing of metal pipes and fittings as well as other cylindrical metal assemblies. Thread Sealant - medium strength. For fine threads in hydraulic, pneumatic and general fittings. Fast curing. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. The thixotropic nature of LOCTITE 542 reduces the migration of liquid product after application to the part. Max. thread size: M26 Service temperature range: -55 to +150 degrees C Breakaway torque: 15 Nm