Applications

LOCTITE® AA H8000™ – High-strength methacrylate adhesive

  • Item Name: LOCTITE® AA H8000™
  • Manufacturer: Henkel
  • Technologies: Methacrylate-based adhesive
  • Color: Component A – Yellow, Component B – Blue, Mixed – Green
  • Cure Type: Room temperature cure
  • Package Size: Contact to Avantek for details.
  • Shelf Life: Contact to Avantek for details.

1. Product Overview

LOCTITE® AA H8000™ is a two-component, non-sag methacrylate adhesive designed for high-strength bonding. It cures at room temperature and offers superior impact and peel strength with minimal surface preparation. The adhesive provides excellent environmental resistance and maintains strength over a wide temperature range.

2. Applications

  • Bonding metals, plastics, and composites
  • Suitable for substrates like steel, aluminum, stainless steel, FRP, RTM, xenoy, gelcoat, and ABS
  • High elongation and impact resistance, even at low temperatures

3. Typical Properties

Property Part A (Resin) Part B (Hardener) Mixed
Appearance Yellow Blue Green
Specific Gravity @ 25°C 0.97 1.2 0.98
Viscosity (Brookfield, 25°C, mPa·s) 160,000 – 250,000 20,000 – 50,000 8,850
Mix Ratio (by volume) 10:1
Working Time @ 25°C (minutes) 30
Fixture Time (ISO 4587, minutes) 25-30
Peak Exotherm Temperature (10g mass, °C) 128

Cured Properties

Property Value
Glass Transition Temperature (Tg, °C) 71
Shore Hardness (D, ISO 868) 70
Elongation at Break (% , ISO 527-2) 13
Tensile Strength at Break (N/mm², ISO 527-2) 15 (2,150 psi)
Lap Shear Strength (N/mm², Steel, ISO 4587) ≥19.3
Impact Strength (J, ISO 9653, Grit-Blasted Mild Steel) 23

Environmental Resistance

  • Excellent performance in hot and humid conditions
  • Retains 75%-100% strength after exposure to water, salt fog, and humidity
  • Reduced strength in solvents like acetone and gasoline

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