Applications

LOCTITE HHD 6008 – Two-component polyurethane adhesive for high-strength electronic structural bonding

  • Item Name: LOCTITE HHD 6008

  • Manufacturer: Henkel

  • Technologies: Polyurethane

  • Color: Part A – Beige liquid, Part B – Beige liquid, Mixed – White to grayish paste

  • Cure Type: Room temperature cure after mixing, heat cure

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE HHD 6008 is a two-component polyurethane adhesive consisting of Part A (Polyol, beige liquid) and Part B (Isocyanate, beige liquid), which mix to form a white to grayish paste. It cures at room temperature, with heat curing optional to accelerate the process. The adhesive is formulated for fast cure, high shear and tensile strength, and excellent impact resistance, bonding a variety of substrates for structural applications.


2. Applications

  • Structural adhesive applications

  • Electronic device assembly

  • Consumer electronics bonding

  • High-strength, high-impact substrate bonding

3. Typical Properties

Property Part A (Polyol) Part B (Isocyanate) Mixed / Cured
Appearance Beige liquid Beige liquid White to grayish paste
Specific Gravity @ 25°C 1.0 1.24
Viscosity @ 25°C (mPa·s / cP) 121,000 81,000
Cure Room temperature; optional heat cure (60 min @ 45°C + 7 days RT or 20 min @ 80°C + 24 hrs RT)
Hardness, Shore D 58
Glass Transition Temperature, Tg (°C) 35
Coefficient of Thermal Expansion (ppm/°C) Below Tg: 97.5, Above Tg: 225.7
Elongation (%) 207
Modulus of Elasticity (N/mm²) 208
Tensile Strength at Break (N/mm²) 17
Storage Modulus (N/mm²) 232
Volumetric Shrinkage (%) 4.8
Lap Shear Strength, 0.127 mm spacer beads (N/mm²) Al to Al: 14.13, IXEF to IXEF: 6.7

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