Applications

H. B. Fuller EA6033 UV Adhesive for FPCB Bonding

  • Technology: UV-Curable Adhesive
  • Brand Name: H.B. Fuller EA6033
  • Manufacturer: H.B. Fuller
  • Package Size: (Not specified in the provided data sheet)
  • Shelf Life: 12 months

1. Product Overview

H.B. Fuller EA6033 is a one-component, fast-curing UV adhesive designed for flexible printed circuit board (FPCB) bonding and other applications requiring strong adhesion and flexibility. It is based on polyurethane acrylate, ensuring good mechanical strength and electrical insulation properties. The adhesive is optimized for rapid UV curing and is suitable for bonding glass, plastics, and metals.

2. Applications

  • FPCB (Flexible Printed Circuit Board) bonding
  • BGA (Ball Grid Array) reinforcement
  • Glass, plastic, and metal bonding
  • Electronic component assembly
  • Structural bonding applications requiring flexibility

3. Typical Properties

Uncured Properties

Property Value
Appearance Semi-translucent paste
Chemical Composition Polyurethane Acrylate
Viscosity (25℃, CP52, 10rpm) 10,000 cps
Thixotropic Index (TI) 4.1
Density 1.05 g/cm³

Curing Properties (Under 100mW/cm² @ 365nm UV Light)

Property Value
Tacky Free Time <6 sec
Depth of Cure (24s exposure) 8 mm

Cured Properties (100mW/cm² @ 365nm for 24s)

Property Value
Hardness Shore D 65
Tensile Strength at Break 14 MPa
Elongation at Break 255%
Lap Shear Strength (PC/PC) 12 MPa
Lap Shear Strength (PC/FR4) 6 MPa
Surface Resistivity 8 × 10¹⁴ Ω
Volume Resistivity 8 × 10¹⁴ Ω·cm
Dielectric Breakdown Strength 22 kV/mm
Dielectric Constant / Dissipation Factor (1MHz) 4.2 / 0.03

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