LOCTITE® 5400

Features and Benefits

A 1-part thixotropic thread sealant for locking and sealing metal threaded pipes and fittings.
LOCTITE® 5400 is a medium-strength thread sealant for locking and sealing all metal threaded fittings up to M80/R3", but is also suitable for other cylindrical metal assemblies. This yellow to dark orange, dimethacrylate ester acrylic paste cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. It fluoresces under UV light – great for quality control. LOCTITE® 5400 will not creep, shrink or block systems by shredding and is designed to provide an instant low-pressure seal even at low temperatures. It carries no hazard symbols, risk or safety phrases and doesn’t contain any declarable carcinogens, mutagens or reproductive toxins. It's also resistant to fuel, oil, coolants and hydraulic fluids.
  • Medium strength
  • Fluorescent under UV for quality control
  • Anaerobic-curing
  • Secondary cure (activator) available
  • Thixotropic for ease of application
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Documents and Downloads

Safety Data Sheets and RoHs
LOCTITE® 5400, 50 ml Accordion 1953597 en-FR
IDH: 1953597
EAN: 5010266010090

Size Case: 50 ml Accordion

LOCTITE® 5400, 250 ml Tottle 1953598 en-FR
IDH: 1953598
EAN: 5010266010137

Size Case: 250 ml Tottle

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Technical Information

Breakaway torque, M10 Black Oxide Bolts 19.0 N·m (170.0 in./lb. )
Color Orange, Yellow
Operating temperature -55.0 - 150.0 °C (-65.0 - 300.0 °F )
Recommended for use with Metal: aluminum, Metal: brass, Metal: steel, Metal: steel - stainless steel
Viscosity 12500.0 mPa·s (cP)