Low Viscosity, Thermally Conductive Underfill Epoxy

Well suited for underfill applications, Master Bond EP3UF-1 is a one part, low viscosity epoxy adhesive that cures rapidly at elevated temperatures. It offers thermal conductivity, electrical insulation and dimensional stability. 

 

Master Bond EP3UF-1 is a new single component epoxy that is not premixed and frozen. Due to its low viscosity of 5,000-15,000 cps, this heat curable thixotropic compound is ideal for underfill and many bonding applications. EP3UF-1 delivers high bond strength and dimensional stability with a ...

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Master Bond EP3UF-1 is a new single component epoxy that is not premixed and frozen. Due to its low viscosity of 5,000-15,000 cps, this heat curable thixotropic compound is ideal for underfill and many bonding applications. EP3UF-1 delivers high bond strength and dimensional stability with a compressive strength of 18,000-20,000 psi and a tensile modulus of 450,000-500,000 psi.

EP3UF-1 has a thermal conductivity of 9-10 BTU•in/ft2•hr•°F [1.30-1.44 W/(m•K)], making it an effective thermal interface material. It contains a special filler with a small particle size. This allows it to be applied in bond lines as thin as 10-15 microns imparting a low thermal resistance of 5-7 x 10-6 K•m2/W. It offers superior electrical insulation with a low dielectric constant of 4.5 at 60 Hz as well as a high dielectric strength of 450 volts/mil (for 1/8” thick test specimen), both measured at 75°F.

As a single component system, EP3UF-1 is more convenient to handle, apply and store than typical two component adhesive systems. It has an unlimited working life at room temperature and cures in 20-30 minutes at 250°F, or in 10-15 minutes at 300°F. EP3UF-1 is available for use in 10 cc syringes and 30 cc syringes, which are compatible with automated dispensing systems.

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Low Viscosity, Thermally Conductive Underfill Epoxy
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Master Bond

www.masterbond.com
E: main@masterbond.com
T: (201) 343-8983
F: (201) 343-2132

Address
154 Hobart Street
Hackensack, NJ
07601
United States
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Master Bond

www.masterbond.com
E: main@masterbond.com
T: (201) 343-8983
F: (201) 343-2132

Address
154 Hobart Street
Hackensack, NJ
07601
United States
View map

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