My-T-Lok 491

My-T-Lok 491

My-T-Lok® 491 is an anaerobic adhesive designed for retaining applications, used primarily for joining cylindrical assemblies.

It cures when confined between ferrous or copper alloy metals. It is used where maximum strength is required at room temperature.

  • High strength
  • Fixture time: 3-5 min
  • Service temperature: -50°C to 200°C

Pack Size:

My-T-Lok® 491 is ideally available in

  • 50 ml Bottle
  • 250 ml Bottle

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Product Features & Benefits

 High Strength at High Temperature.
 Cures to hard solid polymer when confined in absence of air between close fitting metal substrates and prevents loosening.
 Excellent Strength at High Temperature.
 It is used for holding gears and sprockets onto gearbox.
 Used in retaining small gears on shaft without press fit.


Sr No Properties Value
1.) Appearance Green liquid
2.) Strength High
3.) Specific Gravity @ 25±2°C 1.09
4.) Breakaway Torque, BIS 13055 M10 N&B 25-35 N-m
5.) Prevail Torque BIS 13055 M10 N&B 15-25 N-m
6.) Compressive Shear Strength, BIS 13055 20-25 N/mm2
7.) Viscosity @ 25±2°C, Brookfield, Spindle #2, Speed 20 rpm 400 – 800 cP
8.) Cure time 24 hrs