Loctite 660 Retaining Compound High Strength Large Gap

LOCTITE® 660 is a high-strength, very high-viscosity retaining compound designed for bonding cylindrical fitting parts with large gaps. Ideal for rehabilitating worn bearing seats, keys, splines, tapers, and shims, this compound allows re-use of components without re-machining. Its excellent gap-filling properties ensure a strong, durable bond in demanding applications.

Key Features:

  • High Viscosity: Suitable for large-gap bonding and very worn parts.
  • Rehabilitates Worn Components: Avoids the need for re-machining seats, keys, splines, or tapers.
  • Registered to NSF Category SS: Ensures safe use in industrial applications.
  • Gap Filling: Fills gaps from 0.25 mm to 0.5 mm (0.01" - 0.02").
  • Retains Shims: Provides high-strength retention in assemblies.

Technical Specifications:

Specification Details
Applications Press fitting, Repairing, Retaining
Colour Silver
Cure Type Anaerobic cure
Fixture Time 15 min
Gap Fill 0.25 - 0.5 mm (0.01" - 0.02")
Operating Temperature -55°C to 150°C (-65°F to 300°F)
Recommended for Use With Metal: steel
Shear Strength, Steel 23 N/mm² (3335 psi)
Viscosity 250,000 mPa·s (cP)

Documents:

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