LOCTITE® EA 9489 is a versatile two-component adhesive epoxy available with an epoxy resin and polyamide hardener with a 1:1 mix ratio prior to use. Upon mixing, it forms a medium viscosity paste with a grey opaque color and long pot life of 60 to 110 min.
LOCTITE® EA 9489 is a medium-viscosity, two-part epoxy adhesive that is recommended as a multi-substrate structural bonder for strain gauges, fiberglass seams, printed circuit boards, stainless steal inserts, rubber hoses, and more. It bonds to a wide variety of substrates, including wood, plastics, metals, rubbers, glass, ceramics, and masonry materials, offering an extended working life of 60 to 120 minutes, allowing for adequate time for adjustments to parts during assembly. It is capable of filling 3.0 mm gaps, forming a flexible bond line that provides excellent electrical insulation and is resistant to chemicals, solvents, shock, and impacts.
Resin properties:
Chemistry: Epoxy
Appearance: Light beige liquid
Specific gravity @ 25°C: 1.32 to 1.38
Viscosity, Brookfield - RVT, 25 °C, mPa·s (cP), Spindle 7, speed 5 rpm: 35,000 to 135,000
Viscosity, Brookfield - RVT, 25 °C, mPa·s (cP), Spindle 7, speed 10 rpm: 60,000 to 175,000
Hardener properties:
Chemistry: Polyamide
Appearance: Gray, opaque liquid
Specific gravity @ 25 °C: 1.06 to 1.12
Viscosity, Brookfield - RVT, 25 °C, mPa·s (cP), Spindle 6, speed 10 rpm: 20,000 to 45,000
Mixed properties:
Specific gravity @ 25 °C: 1.2
Pot life @ 25°C, minutes: 60 to 110
Fixture time, @ 22°C, hours: 5
Primary Chemistry: Epoxy
Poor adherence of adhesive to difficult substrates and rough or poorly fitting surfaces, like metals, glass, ceramics, plastics, rubber, wood, and masonry materials Poor aesthetic appearance of bonding line after cure
Repairing strain gauges Sealing seams on fiberglass components Repairing printed circuit boards Bonding stainless steel inserts Bonding rubber hose to steel tubing
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