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Rukn Al Burhan

Loctite 290 Threadlocking Adhesive

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Threadlocking adhesive – medium/ high strength. Ideal for locking preassembled fasteners.

LOCTITE® 290 is a liquid medium/high-strength threadlocker designed for the locking and sealing of threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need for disassembly prior to application. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. The product can also fill porosities in welds, castings and powdered metal parts.

  • Ideal for locking preassembled fasteners, e.g. instrumentation fasteners, electrical connectors and set screws
  • Works on metal only
  • Proven to be tolerant of minor contamination due to industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
  • Requires heat for disassembly

Technical Information

Agency Approvals / Specifications CFIA Listed, MIL-S-46163A for existing designs, NSF P1, NSF/ANSI 61
Color Green
Fixture Time 20 – 60 min.
Full Cure Temperature 77 °F
Specific Gravity 1.08 g/l
Specific Gravity Temperature 25 °C
Substrates Metal: Brass, Metal: Steel, Metal: Steel – Stainless Steel
Temperature -65 – 300 °F
Thread Size (Maximum) M6
Torque Break on M10 Steel 90 in./lb.
Torque Prevail on M10 Steel 260 in./lb.
Viscosity 25 – 55
Viscosity Temperature 77 °F
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