Applications

LOCTITE AA 392 Activator-cure Structural Adhesive

  • Item Name: LOCTITE® AA 392™
  • Manufacturer: Henkel
  • Product Category: Adhesive
  • Technologies: Acrylic, Modified Acrylic
  • Applications: Fast assembly, DC motor bonding, magnet bonding, pre-coated sheet metal bonding, automated assembly lines
  • Color: Translucent beige to dark amber
  • Cure Type: Activator cure (7380™ or 7387™), secondary heat cure
  • Package Size: Contact Avantek for details
  • Shelf Life: Contact Avantek for details

1. Product Overview

  • Technology: Modified Acrylic
  • Appearance: Translucent beige to dark amber
  • Components: One-component, no mixing required
  • Viscosity: Medium
  • Curing Method: Activator (7380™ or 7387™) + Secondary heat cure
  • Key Features:
    • Very fast assembly
    • Strong adhesion for DC motors, magnet bonding, and pre-coated sheet metals
    • High impact and peel resistance

2. Applications

  • Suitable for automated assembly lines with short cycle times
  • Used in DC motor assembly, magnet bonding, and bonding pre-coated sheet metal

3. Typical Properties

Uncured Properties
Property Value
Specific Gravity (@ 25°C) 1.16
Viscosity (mPa·s) 20,000-80,000 (TA, 2.5 rpm) / 6,500-17,500 (TA, 20 rpm)
Curing Performance
  • Fixture Time (Steel, Activator 7380™):
    • ≤25 sec (0.05 mm gap)
    • ≤330 sec (0.25 mm gap)
  • Heat curing can accelerate the process (time and temperature vary by application)
Cured Properties
Property Value
Shore Hardness (Durometer D) 65
Elongation (%) 130
Tensile Strength (N/mm²) 18.6 (2,700 psi)
Tensile Modulus (N/mm²) 144.8 (21,000 psi)
Adhesive Strength (Lap Shear, Steel, 22°C, Activator 7380™)
Condition Strength (N/mm²) Strength (psi)
24h ≥11.7 ≥1,696
48h (0 gap) 17.2 2,500
48h (0.25 mm gap) 15.8 2,300
48h (0.5 mm gap) 14.5 2,100
Aluminum (0 gap) 11 1,600
Zinc dichromate (0 gap) 11 1,600

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