Applications

LOCTITE® 4471™

  • Item Name: LOCTITE® 4471™
  • Manufacturer: Henkel
  • Product Category: Instant Adhesives
  • Technologies: Cyanoacrylate (Ethyl cyanoacrylate)
  • Applications: Bonding wood, leather, foamed rubber, and acidic surfaces (e.g., chromated or freshly plated parts)
  • Color: Clear liquid
  • Cure Type: Humidity cure
  • Package Size: Contact Avantek for details
  • Shelf Life: Contact Avantek for details

1. Product Overview

LOCTITE® 4471™ is a medium-viscosity ethyl cyanoacrylate adhesive designed for bonding difficult-to-bond materials while providing uniform stress distribution and strong tensile/shear strength. It is a one-part adhesive that cures with humidity.

2. Applications

  • Ideal for bonding wood, leather, foamed rubber, and acidic surfaces (e.g., chromated or freshly plated parts).
  • Suitable for high-strength bonding applications where uniform stress distribution is required.

3. Typical Properties

Property Value
Uncured Properties
Appearance Clear liquid
Specific Gravity @ 25 °C 1.05
Viscosity @ 25 °C (mPa·s) 500 – 750
Cure Mechanism Humidity
Curing Performance
Fixture Time (Steel, degreased) 10 – 20 sec
Fixture Time (Aluminum) 2 – 10 sec
Fixture Time (Neoprene, Nitrile) <5 sec
Full Cure Time 24 hours
Cured Properties
Coefficient of Thermal Expansion (K⁻¹) 100 × 10⁻⁶
Thermal Conductivity (W/m·K) 0.1
Dielectric Strength (kV/mm) 25
Volume Resistivity (Ω·cm) 10 × 10¹⁵
Surface Resistivity (Ω) 40 × 10¹⁵
Adhesive Strength (Lap Shear, ISO 4587, N/mm²)
Steel (grit blasted) 18 – 26
Aluminum (etched) 11 – 19
Zinc dichromate 6 – 10
ABS, PVC 4 – 8
Polycarbonate 3.5 – 8
Neoprene, Nitrile 5 – 15
Environmental Resistance
Heat Resistance (Max Operating Temp) ~120°C
Chemical Resistance Excellent resistance to motor oil, gasoline, ethanol, and isopropanol

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