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LOCTITE® AA 392™ – Modified acrylic adhesive for DC motor assembly, magnet bonding, and sheet metal bonding

  • 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 Techniq VN for details
  • Shelf Life: Contact Techniq VN 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

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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