Applications

LOCTITE ABLESTIK ABP 2043 – Non-conductive die attach adhesive – Camera module, PCB and steel bonding

  • Item Name: LOCTITE ABLESTIK ABP 2043

  • Manufacturer: Henkel

  • Technologies: Epoxy

  • Color: Black

  • Cure Type: Heat cure

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: 12 months

1. Product Overview

LOCTITE ABLESTIK ABP 2043 is a black, one-part epoxy adhesive filled with alumina, developed for high-throughput non-conductive die attach in electronic assemblies. It cures at low temperatures with rapid snap cure capability, offering high elongation, low stress, and excellent thermal conductivity for reliable device performance. The material reduces warpage between dissimilar substrates and ensures strong adhesion, making it well suited for advanced camera module applications.


2. Applications

  • Non-conductive die attach in semiconductor devices

  • Camera module assembly

  • PCB and steel component bonding

  • Electronic materials requiring thermal dissipation and drop test reliability

3. Typical Properties

Property Still Not Mixed After Curing
Appearance Black Solid adhesive
Technology Epoxy Crosslinked thermoset
Filler Alumina Retained in cured matrix
Viscosity @25°C, 5 rpm 14,000 mPa·s
Thixotropic Index (0.5/5 rpm) 4.2
Work life @25°C 3 days
Shelf life 365 days @ –40°C
Cure schedule 3 min @95°C (snap cure); alt: 30 min @80°C Fully cured adhesive
Weight loss on cure 0.3%
Glass transition temperature (Tg) 26 °C
Coefficient of Thermal Expansion 50 ppm/°C (below Tg); 195 ppm/°C (above Tg)
Modulus (DMA) 1,900 N/mm² (25°C)
Thermal conductivity 0.5 W/(m·K)
Elongation @ break 70%
Ionic content Na⁺ 1 ppm, K⁺ 1 ppm, Cl⁻ 82 ppm
Die shear strength (3×3 mm Si die on PCB, 25°C) 12 kgf
Warpage 0.5 µm (Si die on PCB), 1 µm (Si die on Ni)

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