Medium strength, for fine threaded fittings (up to 3/4 BSP). Used in hydraulic and pneumatic installations. Drinking water WRAS approved. Features: Instant low-pressure seal, Resistant to fuel, oil, coolants and hydraulic fluids, Locks connection against vibration loosening. Maximum pipe size: 3/4". For small fine threaded metal fittings, especially hydraulic fittings. Loctite 542 is designed for the locking and sealing of metal pipes and fittings as well as other cylindrical metal assemblies. This product cures...