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LOCTITE® ABLESTIK ICP 3850 – Electrically conductive epoxy adhesive for LED assembly and flexible substrates

  • Item Name: LOCTITE ABLESTIK ICP 3850
  • Manufacturer: Henkel
  • Product Category: Electrically Conductive Adhesive
  • Technologies: Epoxy, Electrically Conductive, Pb-free Alternative to Solder
  • Applications: High-speed dispensing for mounting small LEDs onto flexible substrates
  • Color: Silver
  • Cure Type: Heat Cure (30 min @ 120°C)
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 12 months (stored at -40°C)

1. Product Overview

LOCTITE ABLESTIK ICP 3850 is an electrically conductive epoxy adhesive designed as a Pb-free alternative to solder. It offers:

  • Electrically conductive properties
  • Low halogen content
  • Low-temperature curing
  • Good dispensing characteristics

2. Applications

  • High-speed dispensing applications
  • Assembly of small LEDs onto flexible substrates
  • General electronics assembly requiring conductive adhesion

3. Typical Properties

Uncured Properties

Property Value
Viscosity (Brookfield CP51, 5 rpm, 25°C) 8,000 mPa·s (cP)
Thixotropic Index (5/6 rpm) 5.0
Work Life @ 25°C 24 hours
Shelf Life @ -40°C 365 days

Curing Performance

Cure Schedule Condition
Standard 30 min @ 120°C

Cured Properties

Property Value
Glass Transition Temperature (Tg) 101°C
Coefficient of Thermal Expansion (CTE) Below Tg: 53 ppm/°C, Above Tg: 142 ppm/°C
Dynamic Tensile Modulus (DMA) @ 25°C: 5,450 N/mm² (790,455 psi)
@ 100°C: 2,597 N/mm² (376,663 psi)
@ 250°C: 167 N/mm² (24,221 psi)

Electrical Properties

Property Value
Volume Resistivity 0.001 ohm-cm

Adhesion (Die Shear Strength @ 25°C)

Substrate Strength (kg-f)
Ag LF 20
Au LF 20.5
Steel 20

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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