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LOCTITE® ABLESTIK XE 80100 – Solvent-free epoxy adhesive for substrate attachment and heat sink bonding in electronics.

  • Item Name: LOCTITE ABLESTIK XE 80100
  • Manufacturer: Henkel
  • Product Category: Assembly Adhesive (for substrate attach and heat sink bonding)
  • Technologies: Epoxy (solventless modified epoxy adhesive)
  • Applications: Substrate attach and heat sink bonding, particularly for applications with mismatched coefficients of thermal expansion
  • Color: Off-white
  • Cure Type: Heat cure
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 183 days at -25 to -18°C

1. Product Overview

LOCTITE ABLESTIK XE 80100 is a one-component, solvent-free, modified epoxy adhesive with low stress and high flexibility, making it ideal for applications with mismatched coefficients of thermal expansion (CTE). It is the non-conductive version of ECCOBOND CE8500 and operates at temperatures from -45°C to +200°C.

2. Applications

  • Assembly Applications
  • Substrate attachment
  • Heat sink bonding

3. Typical Properties

Uncured Material

Property Value
Viscosity @ 25°C 12 mPa∙s (cP)
Density 1.15 g/cm³
Shelf Life @ -25 to -18°C 183 days

Curing Performance

Cure Schedule Time
120°C 90 min
150°C 60 min
175°C 15 min

Cured Material Properties

Property Value
Hardness (Shore A) 82
Glass Transition Temperature (DMA) 59°C
Glass Transition Temperature (TMA) 45°C
Coefficient of Linear Thermal Expansion 140 x 10⁻⁶ K⁻¹
Young’s Modulus @ 25°C 10 N/mm² (1,450 psi)
Young’s Modulus @ 50°C 3 N/mm² (435 psi)
Young’s Modulus @ 100°C 2 N/mm² (290 psi)

Extractable Ionic Content

Ion Content (ppm)
Chloride (Cl⁻) 200
Sodium (Na⁺) 10
Potassium (K⁺) 10
Ammonia (NH₃⁺) 75

Tensile Lap Shear Strength

Material 25°C 125°C
Al to Al 5.2 N/mm² (754 psi) 0.3 N/mm² (43.5 psi)
PBT to PBT 1.6 N/mm² (232 psi) 0.1 N/mm² (14.5 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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