Loctite 290

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Loctite 290 Threadlockers Industrial Adhesive


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Loc_290_TDS.pdf (76.42 KB)

Features and Benefits

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 ASTM D-5363, CFIA Listed, MIL-S-46163A for existing designs, NSF P1, NSF/ANSI 61
    Color Green
    Cure Type Anaerobic Cure
    Fixture Time 20 min.
    Full Cure Temperature (°C) 25
    Full Cure Temperature (°F) 77
    Full Cure Time 24 hr.
    Key Characteristics Corrosion Inhibiting, General Purpose, Rust Inhibiting, Strength: High Strength, Strength: Medium Strength, Viscosity: Low Viscosity
    Number of Components 1 Part
    Physical Form Liquid
    Temperature Range (°C) -54 to 149
    Temperature Range (°F) -65 to 300
    Thread Size (Maximum) M M6
    Torque Break on M10 Steel (in./lb.) 90
    Torque Prevail on M10 Steel (in./lb.) 260
    Torque Prevail on M10 Steel Unit in./lb.
    Viscosity Min 25
    Viscosity Range (Brookfield mPa.s (cP)) 25 to 55
    Viscosity Temperature (°C) 25
    Viscosity Temperature (°F) 77

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