Applications

LOCTITE ECCOBOND DS 3318BL – Encapsulation and Glob top

  • Item Name: LOCTITE ECCOBOND DS 3318BL
  • Manufacturer: Henkel
  • Technologies: Acrylic
  • Color: Blue liquid
  • Cure Type: UV LED
  • Package Size: Contact to Avantek for details.
  • Shelf Life: 6 months

1. Product Overview

LOCTITE ECCOBOND DS 3318BL is a fast-curing, UV-curable acrylic adhesive designed for encapsulation and glob top applications. It features low-energy cure, excellent moisture resistance, and a 100% solids content formulation. The material is optimized for protecting Chip-on-Film (COF) in LCD module assemblies, providing reliable adhesion and durability.


2. Applications

  • Encapsulation and glob top protection
  • LCD module assembly
  • Protection of Chip-on-Film (COF) components

3. Typical Properties

Uncured Material

Property Value
Technology Acrylic
Appearance Blue liquid
Solids Content (%) 100
Viscosity @ 25°C (15 s⁻¹) 2,600 mPa·s (cP)
Cure Type UV LED
Shelf Life @ 25°C 180 days (6 months)

Curing Conditions

Parameter Value
UV Wavelength 365 nm
Light Intensity ≥500 mW/cm²
UV Dosage ≥500 mJ/cm²
Depth of Cure 2.3 mm

Cured Material

Property Value
Glass Transition Temperature (Tg) 58.07°C
Water Permeability (24 hrs @ 19.5°C, 100% RH) 19.5 g.mil/100 in².day
Extractable Ionic Content @ 100°C, 24 hrs Cl⁻: 3 ppm, Na⁺: 1 ppm
Modulus @ 25°C 195.8 N/mm² (28,400 psi)

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