Applications

LOCTITE ABLESTIK NCA 2380

  • Item Name: LOCTITE ABLESTIK NCA 2380
  • Manufacturer: Henkel
  • Product Category: Dual-cure adhesive
  • Technologies: Acrylated epoxy, UV curable, heat-curable
  • Applications: Active alignment camera module assembly, bonding Al, PBT, LCP, and PCB
  • Color: Light yellow
  • Cure Type: UV light activation followed by heat cure
  • Package Size: Contact Avantek for details.
  • Shelf Life: 6 months (180 days) at -20°C

1. Product Overview

LOCTITE ABLESTIK NCA 2380 is a dual-cure acrylated epoxy adhesive designed for active alignment camera module assembly. It offers UV light activation for temporary cure, followed by a low-temperature thermal cure for final bonding. Key benefits include:

  • UV curable for fast processing
  • Excellent adhesion to multiple substrates
  • Good flow performance for precision applications
  • High glass transition temperature (Tg) of 95°C
  • Low Coefficient of Thermal Expansion (CTE)

2. Applications

  • Active alignment of camera modules
  • Bonding temperature-sensitive electronic components
  • Compatible substrates: Aluminum (Al), Polybutylene Terephthalate (PBT), Liquid Crystal Polymer (LCP), and Printed Circuit Boards (PCB)

3. Typical Properties

Uncured Properties
Property Value
Appearance Light yellow liquid
Technology Acrylated Epoxy
Viscosity (10 s⁻¹ shear rate) 35,000 mPa·s (cP)
Thixotropic Index 2.4
Work Life @ 25°C 3 days
Shelf Life @ -20°C 180 days
Curing Performance
Cure Type Conditions
Primary UV Cure 220–405 nm UV LED, 1,000 mW/cm² for 3 sec
Secondary Thermal Cure 60 minutes @ 80°C
Cured Properties
Property Value
Hardness (Shore D) 85
Glass Transition Temperature (Tg) 95°C
Coefficient of Thermal Expansion (CTE) Below Tg: 56 ppm/°C
Above Tg: 183 ppm/°C
Storage Modulus 3 GPa
Extractable Ionic Content (Cl⁻) 376 ppm
Shear Strength
Test Condition Shear Strength (N/mm²)
Si die on glass (UV LED 365 nm, 1,000 mJ) 4
Si die on FR5 (Thermal Cure @ 90°C for 60 min) 40

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