LOCTITE® 567 is a high-performance liquid thread sealant designed for sealing metal pipes and fittings, particularly those with coarse threads. It provides an instant low-pressure seal and cures anaerobically to form a robust, chemical-resistant barrier against leaks.
LOCTITE® 567 is a slow-curing anaerobic sealant formulated for use on metal pipe threads and fittings. It fills gaps between threaded metal parts, preventing fluid and gas leakage under pressure. Its formulation allows an immediate low-pressure seal while curing fully into a durable, chemical-resistant polymer. The product’s resistance to thermal cycling and vibration makes it highly reliable in demanding industrial applications. LOCTITE® 567 also provides outstanding chemical resistance to a wide range of industrial fluids, including fuels, oils, and solvents. It is particularly effective for stainless steel threads where traditional sealants or tapes often fail, making it a preferred choice for industries requiring dependable sealing performance.
Colour: White
Viscosity: Medium
Cure method: Anaerobic (cures in absence of air between metal surfaces)
Service temperature range: –55 °C to +150 °C
Maximum thread size: Up to 3 inches
Chemical resistance: Excellent against oils, fuels, coolants, and many solvents
Primary Chemistry: Methacrylate ester
Prevents leaks in coarse-threaded metal pipes where tapes and pastes may fail. Reduces downtime and costs associated with fluid or gas system failures. Eliminates thread loosening caused by vibration or temperature fluctuations. Solves sealing challenges on stainless steel fittings, which are difficult to seal with conventional products. Provides reliable, repeatable sealing performance, reducing variability in assembly.
LOCTITE® 567 is applied to clean, dry male threads before assembly. It provides an immediate low-pressure seal and cures fully once confined between metal surfaces. Suitable for use on stainless steel, brass, and other metal fittings in hydraulic, pneumatic, and gas systems. Commonly used in oil and gas, power generation, automotive, and industrial machinery where reliable sealing is essential.
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