Applications

LOCTITE® ECCOBOND F 114 BIPAX – Epoxy adhesive for bonding and potting optical components like fibers, lenses.

  • Item Name: LOCTITE ECCOBOND F 114 BIPAX
  • Manufacturer: Henkel
  • Product Category: Epoxy Adhesive
  • Technologies: Epoxy, Solvent-free, Low Viscosity, Optically Clear
  • Applications: Fiber Optic Assembly, Lens Assembly, Prism Assembly, Optical Potting, LED Displays
  • Color: Clear
  • Cure Type: Room Temperature Cure (24h @ 25°C) or Heat Cure (4h @ 65°C)
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: Contact Techniq VN for details.

1. Product Overview

LOCTITE ECCOBOND F 114 BIPAX is a clear epoxy adhesive designed for bonding and small-volume potting in optical applications. It offers:

  • Low viscosity, excellent wicking, and good wetting
  • Blush-free cure under high humidity conditions
  • Strong adhesion to metals, ceramics, glass, and plastics
  • Resistance to salt solutions, mild acids/alkalis, petroleum solvents, lubricating oils, and alcohol

It is ISO 10993-5 certified (cytotoxicity tested) and can be cured at room temperature or with heat.


2. Applications

  • Fiber optic assembly
  • Lens and prism assembly
  • Optical potting
  • LED displays
  • Other precision optical components

Compatible Substrates: Metals, ceramics, glass, and plastics.

3. Typical Properties

Uncured Properties

Property Value
Color Clear
Viscosity (25°C) 625 mPa·s (cP)
Specific Gravity 1.0
Reactive Solids Content 100%
Pot Life (25g) 40 min
Pot Life (100g) 35 min
Work Life (25g) 1 hour
Work Life (100g) 35 min
Flash Point See SDS

Curing Performance

Cure Schedule Duration
Room Temperature Cure 24 hours @ 25°C
Heat Cure 4 hours @ 65°C

Cured Properties

Property Value
Coefficient of Thermal Expansion 80 ppm/°C
Glass Transition Temperature (Tg) 53°C
Hardness Shore D 83
Refractive Index 1.53
Water Absorption (24h) 0.01%

Electrical Properties

Property Value
Volume Resistivity @ 25°C 6.00 × 10¹³ ohm-cm

Mechanical Performance

Property Strength
Lap Shear Strength (Aluminum-Aluminum) 2,600 psi (4h @ 65°C) / 3,000 psi (24h @ 25°C)

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