Tra-Con Tra-Bond 221U01 Electrically Insulating Epoxy Encapsulant

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Tra-Con Tra-Bond 221U01 Electrically Insulating Epoxy Encapsulant
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	TRA-BOND 221U01 is an electrically insulating, non-sagging epoxy encapsulant formulated to provide a smooth crown over the device of wire bonds. This encapsulant provides protection from thermal and mechanical shock. The long work life and smooth consistency of TRA-BOND 221U01 make it ideal for use in automatic dispensers. We recommend storage at -40°C or colder. Information provided by Tra-Con Inc.
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Physical Properties	Original Value	Comments

Viscosity	86000 cP	Mixed (cp #51, 0.5 rpm)

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85	2 hrs @ 120°C
Adhesive Bond Strength	4000 psi	Lap shear, alum to alum

Processing Properties	Original Value	Comments
Cure Time	0.500 hour @Temperature 150 °C
	2.00 hour @Temperature 120 °C
Shelf Life	12.0 Month @Temperature -40.0 °C

Descriptive Properties
Color	Black
Thixotropic Index	6.1
Working Life months	3	At 25°C

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PTRAC064 / 70992

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