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LOCTITE® ABLESTIK ICP 4001 – Electrically conductive adhesive for die attach in semiconductor and microelectronic packages

  • Item Name: LOCTITE ABLESTIK ICP 4001
  • Manufacturer: Henkel
  • Product Category: Electrically Conductive Adhesive
  • Technologies: Silicone-based, one-component, electrically conductive, high flexibility
  • Applications: Mounting components in circuit assembly, high-vibration environments, high-temperature applications
  • Color: Silver
  • Cure Type: Heat cure (35 minutes @ 140°C)
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 4 months (-40°C)

1. Product Overview

LOCTITE ABLESTIK ICP 4001 is a one-component, silicone-based, electrically conductive adhesive designed for attaching devices and mounting components in circuit assembly applications. It provides:

  • High flexibility for reliability in vibration-prone environments.
  • High adhesion to various substrates.
  • Good electrical conductivity due to its silver filler.
  • High-temperature resistance with an operating range of -40°C to 200°C.

2. Applications

  • Electronics and circuit assembly.
  • Electrical conductive adhesive (ECA) applications.
  • Mounting components exposed to prolonged vibrational energy and high operating temperatures.

3. Typical Properties

Uncured Material
Property Value
Solids Content 85%
Viscosity @ 15 s⁻¹ 40,000 mPa·s (cP)
Increase in viscosity after 24 hours at RT <50%
Thixotropic Index 2.1
Density 3.9 g/cm³
Shelf Life (@ -40°C) 4 months
Curing Performance
Cure Schedule Time & Temperature
Heat Cure 35 minutes @ 140°C
  • Weight Loss on Cure: <0.5%
Cured Material Properties
Property Value
Hardness (Shore A) >75
Elongation at break >30%
Young’s Modulus (E) @ 0°C 40 N/mm² (5,800 psi)
Coefficient of Thermal Expansion 370 ppm/°C
Thermal Conductivity 2.3 W/(m·K)
Electrical Properties
Property Value
Volume Resistivity 4×10⁻⁴ ohm·cm
Shear Strength
Property Value
Tensile Lap Shear Strength (Al to Al) >1.7 N/mm² (245 psi)

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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