LOCTITE ECCOBOND BF4

Harmonization Code : 3907.30.00.85 | Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms : Epoxide resins : Other

LOCTITE ECCOBOND BF4

Main features

  • Low moisture
  • High Tg
  • Epoxy backfill material

Product Description

LOCTITE ECCOBOND BF 4 BackFill epoxy adhesive is designed to encapsulate, protect and provide a structural bond for optoelectronic applications. This material compliments the use of AA50 and AA50T adhesives for active alignment of opto components. The combined use of light cure AA50T for active alignment and BF-4 for backfill provides a highly reliable alignment that can withstand changes in temperature and humidity. It is a black, non-conductive, epoxy adhesive designed to protect optoelectronic applications by encapsulating and providing a secure structural bond.

LOCTITE® ECCOBOND BF 4 is a low moisture, die attach adhesive that combines light cure AA50T and BF -4 to provide reliable alignment and raised ability to withstand temperature and humidity changes. The material offers good adhesion to plastic and low outgassing.

Cure Schedule

  • 30 minutes @ 100°C 
Product Family

BF4

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TDS, SDS & Technical Documents
  • ECCOBOND BF 4-EN
    English (Technical Data Sheet (TDS))
  • 1200432_MSDS_UT_US_EN
    English (Safety Data Sheet (SDS))

Technical Specifications

General Properties
Work life @25°C Work life @25°C
24 hours
Thermal Properties
Glass Transition Temperature (Tg) Glass Transition Temperature (Tg)
94 °C
Weight Loss @ 300°C Weight Loss @ 300°C
0.2 %
Physical Properties
Viscosity Viscosity
23,500 mPa.s

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