H.B. Fuller FH8805

H.B. Fuller FH8805 is a single-component adhesive that cures by heat. It has fast curing at low temperatures and outstanding bond strength. This material is recommended for use with chip bonding in microelectronic, MEMS, and opto-electronic applications. This material is able to snap-cure during in-line production.

Product Type: 1K (1 component) Adhesive, Reactive Adhesive

Application Area: Die/Chip Attach, Microelectromechanical Systems (MEMS) Applications, Optoelectronics Devices

Application Method: Injection

Chemical Family: Acrylics & Acrylates

Features: Fast Curing, Good Bonding Strength, Good Thermal Stability, High Consistency, Low Outgassing, Low Stress, Low Temperature Curing, Thixotropic

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Features and Benefits
  • One component requires no mixing
  • Fast curing
  • High bond strength on a variety of substrates
  • Suitable for fine pattern dispensing
  • Excellent thermal performance
  • Low outgassing
  • High thermal stability
  • Low Stress
  • Design for high speed dispensing

Applications & Uses


Physical Form
Uncured Properties
ValueUnitsTest Method / Conditions
Viscosity (at 25 °C)16500.0mPa.s-
Thixotropic Index5.3--
Pot Life24.0h-
Typical Performance Properties
ValueUnitsTest Method / Conditions
Glass Transition Temperature53.0°C-
Co-efficient of Thermal Expansion (Alpha 1)67.0ppm/°CTMA
Co-efficient of Thermal Expansion (Alpha 2)172.0ppm/°CTMA
Storage Modulus (at 25°C)2.7GPa-
Die Shear Strength (2x2mm silicon die, solder mask FR4)30.0kgf-
Die Shear Strength (2x2mm silicon die, solder mask FR4, 3X Pb fee reflow)58.0kgf-
Elastic Modulus (25°C, 50% RH)340.0MPa-
Tensile Strength (at 25°C, 50% RH)23.0MPa-
Elongation (at 25°C, 50% RH)8.5%-

Technical Details & Test Data

Recommended Cure
  • 110°C for 90 seconds

Packaging & Availability

Available Packaging
  • 5cc, 10cc, and 30cc syringes

Storage & Handling

Shelf Life
12 Months
Storage Conditions

FH8805 should be sealed and stored in the original container at -40 °C.