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Leak-free sealing and dependable performance define Loctite 542, Thread Sealant, 50 ml, engineered for fine-threaded fittings in hydraulic, pneumatic, and fluid systems. Its anaerobic formula cures between metal surfaces to create a pressure-resistant seal that prevents leakage from vibration, shock, or thermal expansion. Designed for small-diameter threads, it ensures easy assembly without galling and allows disassembly with standard tools when maintenance is required. Resistant to oils, fuels, and most industrial fluids, it delivers consistent, long-term sealing performance. Ideal for marine hydraulics, industrial piping, and metric fabrication, this sealant ensures reliable, professional-grade joint integrity.
