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LOCTITE ECCOBOND LUX A4035T – Adhesive – Optical, Fiber Optic, and Optoelectronic Applications

• Item Name: LOCTITE ECCOBOND LUX A4035T
• Manufacturer: Henkel
• Technologies: Acrylate
• Color: Pale yellow
• Cure Type: UV light, Visible light, and Heat cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 3 to 6 months

1. Product Overview

LOCTITE ECCOBOND LUX A4035T is a single-pack, photocurable adhesive designed for optical, fiber optic, and optoelectronic device assembly. It cures using ultraviolet (UV) light, visible light, and heat. The adhesive is optical grade and provides enhanced productivity, with a secondary thermal cure initiator for shadowed areas.

2. Applications

  • Photodiode arrays
  • Optical fiber terminations
  • Optoelectronic device assembly

3. Typical Properties

Uncured Properties

Property Value
Technology Acrylate
Color Pale yellow
Viscosity (Brookfield SP #27, 25°C) 500 mPa·s (cP)
Shelf Life @ 25°C 91 days
Shelf Life @ 0 to 5°C 183 days

Curing Conditions

Cure Type Conditions
UV Light Cure UV Wavelength: 365 nm
Light Intensity: 50 mW/cm²
Visible Light Cure Wavelength: 470 nm
Light Intensity: 100 mW/cm²
Thermal Cure 1 hour @ 100°C
2 hours @ 80°C

Cured Properties

Property Value
Glass Transition Temperature (Tg) 145°C
Linear Shrinkage on Cure 2.4%
Hardness Shore D 82
Coefficient of Thermal Expansion (Below Tg) 110 ppm/°C
Refractive Index @ 589 nm 1.572
Refractive Index @ 1,550 nm 1.553

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