Applications

LOCTITE ECCOBOND DS 3318LVT – Coating and Sealant – LCD module assembly

  • Item Name: LOCTITE ECCOBOND DS 3318LVT
  • Manufacturer: Henkel
  • Technologies: Acrylate
  • Color: Transparent liquid
  • Cure Type: Ultraviolet (UV) light, Visible light, or UV LED
  • Package Size: Contact to Techniq VN for details.
  • Shelf Life: 6 months

1. Product Overview

LOCTITE ECCOBOND DS 3318LVT is a fast-curing, UV-light-activated acrylate-based coating and sealant designed for LCD module assembly. It is optimized for applications requiring lower energy cure and offers excellent moisture resistance, high flexibility, and reworkability.

2. Applications

  • Used in LCD module assembly for coating and sealing.
  • Provides excellent moisture protection in COG-LCD modules.
  • Designed for fast curing under UV, visible light, or UV LED exposure.

3. Typical Properties

Uncured Properties

Property Value
Technology Acrylate
Appearance Transparent liquid
Viscosity @ 25°C, mPa·s (cP) 142
Shelf Life @ 25°C 183 days

Curing Properties

Property Value
Light Source High-pressure mercury lamp
Light Intensity 100 mW/cm²
Exposure Time 15 seconds
Tack-Free Time 5 seconds
Depth of Cure 15 mm

Cure rate and depth depend on light intensity, spectral distribution, exposure time, and substrate transparency.

Cured Properties

Property Value
Modulus 408 N/mm² (59,175 psi)
Chloride (Cl⁻) Content 7.0 ppm
Sodium (Na⁺) Content 1.0 ppm
Water Vapor Permeability (24h, 50°C, 100% RH) 29.7 g.mil/100 in²

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