Applications

Everwide FR509-4 Photo-Curing Adhesive with Low Dielectric Constant

Brand: Everwide
Product Number: FR509-4
Technology: Photo-Curing Acrylic Adhesive
Color: Opaque
Cure Type: UV Curing
Package Size: Contact us for details
Shelf Life: 6 months

Product Description

Everwide FR509-4 is a UV-curable adhesive designed for electronics encapsulation and fixation. It provides rapid curing, excellent toughness, and high adhesion strength to various substrates, including plastics, metals, and glass. This product also features a low dielectric constant, making it suitable for applications requiring superior electrical properties.

Key Features

  • Low dielectric constant for electronic applications
  • Excellent toughness, shock resistance, and thermal shock resistance
  • Strong adhesion to plastics, metals, and glass
  • Complies with 2011/65/EU RoHS regulations

Recommended Applications

  • Electronics encapsulation and fixation
  • Adhesion of plastics, metals, and glass
  • Applications requiring low dielectric constant adhesives

Technical Data

Typical Uncured Properties
Property FR509-4
Chemical Composition Acrylic Resin
Appearance Liquid
Color Opaque
Viscosity (25°C, S14 20rpm, cps) 43,000–66,000
Thixotropic Index ≥1.8
Solvent Content 0%
Curing Properties
Curing Equipment Recommended Wavelength (nm) Minimum Light Intensity (mW/cm²) Minimum Light Energy (mJ/cm²)
Mercury / Halogen Lamp 310–420 >50 >2,000
LED Light 365 / 395 >50 >2,000
Typical Cured Properties
Property Value
Durometer Hardness (Shore D) 70
Shear Strength (Steel vs. Glass) 117.92 kgf/cm²
Volume Shrinkage 3.91%
Modulus of Elasticity 354 MPa
Resin Elongation 176%
Dielectric Constant (1 kHz) 2.87
Dielectric Constant (10 kHz) 2.58
Dielectric Loss (1 kHz) 0.0182

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