Applications

LOCTITE® HHD8160™ – Methacrylate Structural Adhesive – Laptop, Electronics & Medium-to-Large Device Bonding

Item Name: LOCTITE® HHD8160™
Manufacturer: Henkel
Technologies: Acrylic (Methacrylate)
Color: Resin Yellow, Hardener Blue, Mixture Green
Cure Type: Room temperature cure (two-component, 10:1 mix ratio)
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® HHD8160™ is a two-component methacrylate adhesive formulated for structural bonding of laptop computers and medium-to-large electronic devices. Supplied as a yellow resin (Part A) and a blue hardener (Part B), the mixture turns green and cures at room temperature. It is halogen-free, REACH-compliant, and designed for fast fixture times at low temperatures. The system delivers strong adhesion to aluminum alloys, anodized aluminum, and polycarbonate, with excellent toughness and impact resistance.


2. Applications

  • Structural bonding in laptops and consumer electronics

  • Medium-to-large format device assembly requiring fast fixture capability

  • Bonding of metals (aluminum, steel) and engineering plastics (ABS, PC, IXEF)

  • Applications demanding impact resistance and peel strength

3. Typical Properties

Property Still Not Mixed (Uncured) After Mixed After Cured (72 h @ 22 °C)
Appearance Part A: Yellow
Part B: Blue
Green Solid polymer
Mix ratio (vol.) 10:1 (A:B)
Specific gravity A: 0.98
B: 1.2
1.0
Viscosity (25 °C) A: 57,000 mPa·s
B: 16,000 mPa·s
Working time 210–240 s (substrate-dependent)
Fixture time 180–300 s (Al / Steel)
Peak exotherm 135 °C @ 7 min (10 g)
Tg 54 °C
Thermal expansion 110 ×10⁻⁶ K⁻¹ (below Tg)
Hardness Shore D 70
Shrinkage Linear 5%, Vol. 15%
Tensile strength 18 N/mm² (2,570 psi)
Tensile modulus 840 N/mm² (122,000 psi)
Lap shear strength 12–13 N/mm² (Al, Steel)
Impact strength 4 J (room temp), 3 J (@ -40 °C)
Peel strength (T-peel) Steel 1.7 N/mm, Al 2.1 N/mm
Block shear Glass 7.6, PC 4.1, ABS 3.7, Ferrite-Steel 11 N/mm²

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