Loctite 680 Retaining Compound High Strength Low Viscosity 50ml
Loctite 680 Retaining Compound High Strength Low Viscosity 50ml

Loctite 680 Retaining Compound High Strength Low Viscosity 50ml

Loctite 680—high-strength, low-viscosity retaining compound for cylindrical parts. Oil-tolerant, high-temp, NSF certified for potable water.

$66.00 Inc. GST

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SKU: LOCTITE-680-050 Category: Tags: , Brand:

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Maximum holding power for cylindrical fits with excellent temperature and oil tolerance.

LOCTITE® 680 is a high-strength, low-viscosity methacrylate ester acrylic designed for retaining cylindrical parts. It cures anaerobically when confined between close-fitting metal surfaces, locking assemblies against shock, vibration, and leakage—even on passive substrates such as stainless steel and plated parts.

Key Benefits

  • High Strength Retention: Ideal for press fits and cylindrical assemblies.
  • Low Viscosity: Flows into tight tolerances for maximum surface contact.
  • Oil Tolerant: Performs reliably with minor surface contamination.
  • High Temperature Performance: Helps maintain bond integrity in demanding environments.
  • Versatile Substrate Compatibility: Works on active metals (e.g., mild steel) and passive metals (e.g., stainless, plated).
  • Potable Water Certified: ANSI/NSF Standard 61 for commercial and residential systems up to +82 °C.

Typical Applications

  • Bonding rotors to shafts and sleeves to hubs.
  • Retaining bearings, bushings, and cylindrical pins.
  • Preventing fretting, loosening, and micro-leaks caused by vibration.
  • Use across automotive, aerospace, industrial equipment, agriculture, and plumbing.

How It Works

The adhesive cures in the absence of air (anaerobic cure) when confined between metal surfaces, creating a tough, gap-free bond line that resists shock and vibration.

Download Technical Data Sheet

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Loctite thread lockers and thread sealants are essential products used in various industries for reliable and secure fastening applications. Thread lockers, such as Loctite Blue, Red, and Green, prevent threaded assemblies from loosening due to vibration or shock. They create a strong bond between fasteners, enhancing overall equipment reliability. These thread lockers are resistant to chemicals, temperature variations, and corrosion, making them suitable for a wide range of applications, including automotive, aerospace, plumbing, agriculture and manufacturing.

LOCTITE 680 RETAINING COMPOUND – HIGH STRENTH – HIGH TEMPERATURE

A high-strength methacrylate ester acrylic liquid, LOCTITE® 680, is specifically formulated for bonding cylindrical fitting parts, especially when low viscosity is necessary. This green liquid prevents loosening and leakage caused by shock and vibration, ensuring robust curing performance. It is effective on both active metals (such as mild steel) and passive substrates (like stainless steel and plated surfaces). Key features include:

  • Low viscosity
  • Certified to ANSI/NSF Standard 61 for use in commercial and residential potable water systems up to +82 °C
  • Cures in the absence of air when confined between close-fitting metal surfaces
  • Tolerates minor surface contamination from various oils
  • High temperature performance and oil tolerance
  • Ensures reliable curing performance

TECHNICAL DATA SHEET

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