Applications

LOCTITE® ECCOBOND DFB 3328 – Acrylate Coating/Encapsulant – LCD, OLED module, electrical component protection in electronics industry

  • Item Name: LOCTITE® ECCOBOND DFB 3328

  • Manufacturer: Henkel

  • Technologies: Acrylate

  • Color: Light yellow liquid

  • Cure Type: UV light / UV LED

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: 180 days

1. Product Overview

LOCTITE® ECCOBOND DFB 3328 is a light yellow, one-component, UV/UV LED-curable acrylate adhesive. It is characterized by fast curing, high flexibility, excellent moisture resistance, and reworkability. Designed for thin, delicate assemblies, it minimizes cracking and delamination under bending and functional reliability tests. The product offers stable performance, long shelf life, and ease of handling, making it suitable for high-volume electronic applications.


2. Applications

  • Coating and encapsulation in electronic assemblies.

  • LCD and OLED module bonding.

  • Protection of electrical components requiring flexibility and moisture resistance.

3. Typical Properties

Condition Property Value
Still Not Mixed (Uncured) Appearance Light yellow liquid
Viscosity @ 25°C, 20 s⁻¹ 878 mPa·s
Specific gravity 0.97
Shelf life @ 25°C 180 days
Curing Performance UV cure (Hg lamp, UVA) 400 mW/cm², 2 s
UV LED cure @ 365 nm 1,000 mW/cm², 2 s
After Mixed (Cured) Elongation at break 245 %
Storage modulus @ 25°C 306 N/mm²
WVPC @ 50°C/100% RH 14.4 g·mil/100 in²·day

This UV-curable adhesive provides rapid cure, outstanding elasticity, and superior moisture protection, ensuring reliability for advanced display modules and electronic components.

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