Applications

LOCTITE ABLESTIK ICP 3850

  • 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 Avantek 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

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