Applications

H.B. Fuller EV Bond 420 Acrylic Adhesive

  • Technology: Modified Acrylic
  • Product code: H.B. Fuller EV Bond 420 Acrylic Adhesive Off-White 490 mL
  • Manufacturer: H.B. Fuller
  • Package Size: 490 mL cartridge
  • Shelf life: To know more, contact Avantek

1. Product Overview

H.B. Fuller EV Bond 420 is a high-performance, two-part acrylic structural adhesive designed for bonding a wide range of metals, plastics, and composite materials. It offers outstanding adhesion, durability, high impact resistance, and weathering properties. The adhesive cures at room temperature and is suitable for manual and pneumatic dispensing, making it ideal for industrial applications.


2. Applications

  • Automotive and Transportation – Metal and plastic bonding in vehicle assembly
  • Aerospace and Defense – Structural bonding of lightweight composites
  • Electronics and Electrical Components – Assembly of enclosures and protective casings
  • Industrial Manufacturing – Bonding of engineering plastics and thermosets
  • General Construction – Adhesion of coated metals, fiberglass, and composite panels

 

3. Typical Properties (Unmixed Components)

Property EV Bond 420 Resin EV Bond 420 Activator
Appearance / Color Off-White / Yellow
Consistency Viscous Liquid
Viscosity (@ 25°C) 100,000 – 200,000 cPs 40,000 – 80,000 cPs
Specific Gravity 1.67 g/cc
Flash Point >200°F
Mix Ratio (by weight) 14.5:1
Mix Ratio (by volume) 10:1

4. Typical Properties After Mixing

Property Value
Open Time (@ 25°C) 6 – 9 minutes
Fixture Time (@ 25°C) 15 – 20 minutes
Cure Time (@ 25°C) 24 hours
Hardness 70 Shore D (ASTM D2240)
Elongation at Break >4%
Thermal Service Range -67°F to 212°F (-55°C to 100°C)
Dielectric Strength 18.5 ± 0.9 kV/mm

Shear Strength (ASTM D1002, 25°C, 50% RH)

Substrate Shear Strength
Nickel-Coated Low-Carbon Steel 22 MPa (3,190 psi)
Carbon Steel 16 MPa (2,321 psi)
Aluminum 16 MPa (2,321 psi)

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