577 medium strength thread sealant from Loctite in 50 ml tube, yellow. Seals threaded pipe joints up to 3 inch diameter in hydraulic, pneumatic, and water systems.
577 thread sealant from Loctite in 250 ml bulk tube, yellow. Medium strength formula seals coarse and tapered threaded pipe fittings in hydraulic and pneumatic systems.
572 low strength thread sealant from Loctite in 50 ml tube, white. Slow cure formula seals threaded pipe joints with extended working time for large fittings.
542 thread sealant from Loctite in 50 ml, brown. Seals fine-pitch threaded hydraulic and pneumatic fittings up to 3/4 inch in industrial fluid power systems.