Applications

LOCTITE® AA H8018 – Methacrylate Structural Adhesive – Multi-substrate bonding with high peel and impact resistance

  • Item Name: LOCTITE® AA H8018™

  • Manufacturer: Henkel

  • Technologies: Acrylic, Methacrylate, Two-component (10:1 mix ratio)

  • Color: Amber (Part A) / Blue (Part B) / Green (Mixed)

  • Cure Type: Room temperature cure

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® AA H8018™ is a two-component, room-temperature curing methacrylate adhesive. Part A is amber, Part B is blue, and the mixed adhesive is green. It cures rapidly at ambient temperature, requiring little or no surface preparation. The system provides excellent adhesion to metals, plastics, and composites, with superior impact and peel strength, good bond line control from built-in spacer beads, and strong environmental resistance.


2. Applications

  • Structural bonding of metals, plastics, and composites.

  • Assemblies requiring superior peel and impact resistance.

  • Applications needing controlled bond line thickness (with integrated spacer beads).

  • Industrial uses where rapid cure at room temperature and minimal surface preparation are beneficial.

3. Typical Properties

Property Condition Value
Uncured (Component A) Appearance Amber
Viscosity (25 °C, 5 s⁻¹) 76,000 mPa·s
Uncured (Component B) Appearance Blue
Viscosity (25 °C, 5 s⁻¹) 17,000 mPa·s
Mixed Appearance Green
Specific Gravity (23 °C) 1.01
Mix Ratio (vol.) 10:1 (A:B)
Working Time @ 23 °C 30–40 min (substrate dependent)
Open Time @ 23 °C (20 g) 20 min
Tack Free Time @ 23 °C 50–55 min
Peak Exotherm (20 g, 23 °C) 110 °C
Cured Shore Hardness (D) 66
Elongation at Break 5.2%
Tensile Strength 20 N/mm² (2,900 psi)
Lap Shear (Steel) 10 N/mm² (1,500 psi)
Lap Shear (Aluminum) 20 N/mm² (2,900 psi)
Lap Shear (Stainless Steel) 23 N/mm² (3,300 psi)
Side Impact (Galv. Steel, 3 mm) 5 J
Side Impact (Aluminum, 3 mm) 8 J
T-Peel Strength (Aluminum) 14 N/mm (80 lb/in)

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