LOCTITE 641

Features and Benefits

Available in:

  • 50.0 ml bottle

    10/case

Retaining Compound - medium strength. If disassembly is required. Ideal for parts that need subsequent dismantling.
LOCTITE® 641 is designed for the bonding of cylindrical fitting parts, particularly where disassembly is required for servicing operations. 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. Ideal for parts that need subsequent dismantling, i.e. retention of bearings on shafts and in housings.
  • Ideal for parts that need subsequent dismantling, i.e. retention of bearings on shafts and in housings
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Technical Information

Color Yellow
Diametrical Clearance (Maximum) 0.1 mm
Fixture Time 25 min.
Fixture Time Temperature 77 °F
Full Cure Temperature 77 °F
Gap Fill 0.004 in.
Shear Strength Unit, Steel psi
Shear Strength, Steel 1700
Specific Gravity 1.07 g/l
Specific Gravity Temperature 25 °C
Substrates Metal: Steel
Temperature -65 - 300 °F
Viscosity 525 - 1950 mPa.s (cP) Brookfield
Viscosity Temperature 77 °F