Loctite 542 Threadsealant Med Strength Hydraulic 50ml

LOCTITE® 542 is a 1-part, medium-strength, fast-curing thread sealant specifically designed for fine-threaded metal pipes and fittings commonly used in hydraulic and pneumatic systems. It locks and seals threaded metal assemblies to prevent vibration loosening and is resistant to fuel, oil, coolants, and hydraulic fluids. Its thixotropic nature minimizes product migration and it contains no fillers or particles that could clog fluid filtration systems.

Key Features:

  • Medium Strength: Locks and seals fine-threaded assemblies against vibration.
  • Fast-Curing: Rapid setting for efficient assembly.
  • Fluid Resistant: Resistant to fuel, oil, coolants, and hydraulic fluids.
  • Thixotropic: Reduced migration after application.
  • Non-Clogging: Contains no fillers or particles that could block filtration systems.
  • Approved: DVGW certified (EN 751-1: NG-5146AR0855) and suitable for potable water in WRAS-approved applications.

Technical Specifications:

Specification Details
Loctite Number 542
Colour Brown
Cure Type Anaerobic
Applications Fine-threaded hydraulic, pneumatic, and general fittings
Breakaway Torque 15.0 N·m (130 in./lb.)
Operating Temperature -55°C to 150°C (-65°F to 300°F)
Viscosity, 20 RPM 600 mPa·s (cP)

Additional Information:

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