Applications

LOCTITE HY 4080 – Structural Hybrid Adhesive For Bonding

  • Item No: HY 4080
  • Manufacturer: Henkel
  • Technologies: Hybrid Adhesive
  • Color: Off-White
  • Cure Type: Room Temperature Cure
  • Package Size: Contact to Avantek for details.
  • Shelf Life: Contact to Avantek for details.

1. Product Overview

LOCTITE® HY 4080™ is a two-component structural hybrid adhesive combining cyanoacrylate and acrylic technologies. It offers excellent adhesion to metals, composites, and plastics, with high impact resistance and substrate versatility. The adhesive provides fast fixture at room temperature and maintains strong shear strength across a wide range of temperatures and gaps.

2. Applications

  • Bonding metals, composites, and plastics
  • Suitable for applications requiring toughness and impact resistance
  • Performs well in wide bond gaps
  • Can be used in structural bonding applications

3. Typical Properties

Property Part A Part B Mixed
Appearance Clear to slightly hazy White to off-white paste Opaque to slightly yellow
Specific Gravity (g/cm³) 1.06 – 1.11 1.09 – 1.13
Viscosity (mPa·s) 4,000 – 11,000 45,000 – 75,000 High, thixotropic

4. Curing Performance

Parameter Value
Open Time @ 25°C (minutes) 10
Fixture Time (minutes) – Steel (0.05 mm gap) 10
Peak Exotherm Temperature (°C) 158
Full Strength Development Up to 168 hours

5. Properties of Cured Material

Property Value
Glass Transition Temperature (°C) 48 – 76
Shore Hardness (D) 72
Tensile Strength (N/mm²) 11.3
Tensile Modulus (N/mm²) 355
Elongation at Break (%) 80

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