The 54505 is a hydraulic pneumatic Thread Sealant designed for the locking and sealing of metal pipes and fittings. This product is specially formulated to offer high lubricity for easy assembly and removal. It is recommended for fine threaded fittings as used in hydraulic and pneumatic installations and small fittings in general. It contains no fillers or particles that could contaminate system fluids, foul valves or clog fine filters and screens. It is suitable for fittings up to 2 inches (50mm) in diameter including pneumatic and hydraulic fittings.