Applications

LOCTITE AA F246 – Acrylic Structural Adhesive

  • Item No: AA F246™
  • Manufacturer: Loctite (Henkel)
  • Technologies: Two-part methacrylate adhesive
  • Color: Off-white
  • Cure Type: Room temperature cure (two-component)
  • Package Size: Contact Avantek for details.
  • Shelf Life: Contact Avantek for details.

1. Product Overview

LOCTITE® AA F246™ is a two-component, high-strength, toughened acrylic adhesive designed for structural bonding. It cures rapidly at room temperature when assembled with an activator and provides strong adhesion to various substrates. The adhesive exhibits high viscosity and is applied without mixing.

2. Applications

  • Structural bonding in industrial applications
  • Bonding of metals, plastics, and composites
  • High-strength adhesive for assembly operations

3. Typical Properties

Uncured Properties

Property Value
Chemical Type Modified methacrylate ester
Appearance Straw yellow to brown liquid
Specific Gravity @ 25°C 1.0
Viscosity @ 25°C (Pa⋅s) 17.0 to 35.0
Thermal Stability @ 82°C (hrs) ≥3

Cured Properties

Property Value
Lap Shear Strength (GBMS) 33 N/mm² (4,760 psi)
Lap Shear Strength (Aluminum) 19 N/mm² (2,780 psi)
Lap Shear Strength (Stainless Steel) 16 N/mm² (2,250 psi)
Lap Shear Strength (ABS) 6.1 N/mm² (880 psi)
Lap Shear Strength (PVC) 11 N/mm² (1,600 psi)
T-Peel Strength (Aluminum) 4.5 N/mm² (650 psi)

Environmental Resistance

Test Condition Strength Retention (%)
Acetone Exposure (22°C, 5000h) 2%
ATF Exposure (22°C, 5000h) 88%
98% Relative Humidity (40°C, 5000h) 55%
Motor Oil Exposure (22°C, 5000h) 77%
Salt Water (7.5%) (22°C, 5000h) 69%
Unleaded Gasoline (22°C, 5000h) 7%
Water Exposure (60°C, 5000h) 45%
Water/Glycol (50/50) (87°C, 5000h) 39%

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