Applications

LOCTITE® AA 332™ (LOCTITE® 332™)

  • Item Name: LOCTITE® AA 332™ (LOCTITE® 332™)
  • Manufacturer: Henkel
  • Product Category: Adhesive
  • Technologies: Acrylic, Modified Acrylic
  • Applications: Permanent magnet bonding in motors, high impact and peel resistance bonding
  • Color: Opaque light yellow to dark amber
  • Cure Type: Activator (7387™), Secondary heat cure
  • Package Size: Contact Techniq VN for details
  • Shelf Life: Contact Techniq VN for details

1. Product Overview

LOCTITE® AA 332™ is a high-viscosity, one-component modified acrylic adhesive designed for bonding permanent magnets in motor applications. It provides strong, durable bonds with excellent impact and peel resistance. It cures using Activator 7387™ and can be accelerated with heat.

2. Applications

  • Motor magnet bonding
  • High-strength structural bonding
  • Applications requiring high impact and peel resistance

3. Typical Properties

Property Value
Uncured Properties
Chemical Type Modified acrylic
Appearance (Uncured) Opaque light yellow to dark amber
Viscosity @ 25°C (mPa·s) 75,000 – 130,000
Specific Gravity @ 25°C 0.97
Flash Point See SDS
Curing Properties
Fixture Time (Steel, Activator 7387™) ≤3 min (0.05 mm gap), ≤30 min (0.5 mm gap)
Heat Cure Conditions 130°C for 20 min, 150°C for 10 min
Cured Properties
Shore Hardness (Durometer D) 69
Tensile Modulus (N/mm²) 950 (138,000 psi)
Tensile Strength (N/mm²) 17.9 (2,600 psi)
Adhesion Strength
Lap Shear Strength (Steel, 0.05 mm gap) ≥11 N/mm² (≥1,595 psi)
Lap Shear Strength (Steel, 0.5 mm gap) ≥3.4 N/mm² (≥493 psi)
180° Peel Strength (Steel) 3.5 N/mm (20 lb/in)

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