Applications

LOCTITE EA 9483 – Optical Clarity Epoxy Adhesive

  • Item Name: LOCTITE® EA 9483
  • Manufacturer: Henkel
  • Technologies: Epoxy
  • Color: Ultra clear paste
  • Cure Type: Room temperature cure after mixing
  • Package Size: Contact to Avantek for details.
  • Shelf Life: Contact to Avantek for details.

1. Product Overview

LOCTITE® EA 9483 is a low-viscosity, two-part epoxy adhesive designed for bonding and potting applications requiring optical clarity and high strength. It cures at room temperature and forms an ultra-clear bondline with minimal shrinkage.

Key Features:

  • Ultra-clear adhesive bondline
  • Excellent impact resistance
  • High dimensional stability across a wide temperature range
  • Resistant to various chemicals and solvents
  • Minimal shrinkage

Technology: Epoxy
Chemical Type: Resin: Epoxy, Hardener: Amine
Components: Two-part (Resin & Hardener)
Mix Ratio: 2:1 (by volume), 100:46 (by weight)
Cure Method: Room temperature cure
Maximum Gap: 0.25 mm


2. Applications

  • Bonding decorative panels and displays
  • Potting applications requiring optical clarity
  • Bonding materials such as metals, plastics, wood, and composites
  • Industrial bonding applications where high strength and impact resistance are required

3. Typical Properties

Uncured Properties

Property Resin Hardener Mixture
Appearance Colorless Liquid Colorless Liquid Ultra-clear Paste
Specific Gravity @ 25°C 1.13 – 1.18 1.05 – 1.11
Viscosity (mPa·s) 5,000 – 12,000 1,000 – 3,000 3,000 – 11,000
Pot Life @ 22°C (100g mass) 25 – 60 min

Cured Properties (7 Days @ 22°C)

Property Value
Coefficient of Thermal Expansion (K-1) 50×10⁻⁶ (20-45°C), 164×10⁻⁶ (55-200°C)
Thermal Conductivity (W/m-K) 0.3
Shore Hardness (Durometer D) 65
Glass Transition Temperature (Tg) (°C) 61
Elongation (%) 3.2
Tensile Strength (N/mm²) 47 (6,800 psi)
Tensile Modulus (N/mm²) 2,100 (300,000 psi)
Compressive Strength (N/mm²) 78 (11,000 psi)

Electrical Properties

Property Value
Dielectric Breakdown Strength (kV/mm) 30
Volume Resistivity (Ω·cm) 7×10¹⁸
Surface Resistivity (Ω) 4×10¹⁵
Dielectric Constant/Dissipation Factor @ 1 kHz 4.3 / 0.01
Dielectric Constant/Dissipation Factor @ 1 MHz 3.7 / 0.05
Dielectric Constant/Dissipation Factor @ 10 MHz 3.5 / 0.05

Adhesive Performance (Lap Shear Strength – ISO 4587)

Substrate Strength (N/mm²) Strength (psi)
Mild Steel (grit blasted) 23 3,300
Aluminum (abraded) 10 1,500
Aluminum (anodized) 21 3,100
Stainless Steel 10 1,500
Polycarbonate 3.3 480
Nylon 2.4 350
Wood (Fir) 12 1,800
ABS 4 580
GRP (Polyester Resin Matrix) 2 290
Glass Fiber Reinforced Epoxy 13 1,900

Environmental Resistance

Condition % Initial Strength (500 h) % Initial Strength (1000 h)
Air (22°C) 180 185
98% RH (40°C) 155 165
Motor Oil (10W30) 160 145
Unleaded Gasoline 120 110
Water/Glycol 50/50 (87°C) 115 105
Acetone 100 105
Isopropanol 120 120
Salt/Fog (ASTM B-117) 70 85
Condensing Humidity (49°C) 90 90

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