Tra-Con Tra-Bond Ablebond 481-20 B-Stageable Epoxy Adhesive

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Tra-Con Tra-Bond Ablebond 481-20 B-Stageable Epoxy Adhesive
Categories:	Polymer; Adhesive; Thermoset; Epoxy
Material Notes:	Ablebond 481-20 flexible epoxy adhesive is a modification of Ablebond 481-19 adhesive. This adhesive is designed to absorb stresses between adherends with mismatched coefficients of thermal expansion, such as glass and metal. This adhesive may be applied by dispensing or stamping. Information provided by Tra-Con Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.30 g/cc	1.30 g/cc
Viscosity	10000 cP	10000 cP	Mixed

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	80	80
Adhesive Bond Strength	10.3 MPa	1500 psi	Lap shear, alum to alum

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.30e+13 ohm-cm	1.30e+13 ohm-cm
Dissipation Factor	0.020	0.020

Thermal Properties	Metric	English	Comments
CTE, linear	25.0 µm/m-°C	13.9 µin/in-°F	Below Tg
	100 µm/m-°C	55.6 µin/in-°F	Above Tg
Thermal Conductivity	0.430 W/m-K @Temperature 121 °C	2.98 BTU-in/hr-ft²-°F @Temperature 250 °F
Glass Transition Temp, Tg	65.0 °C	149 °F	Ultimate Tg

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 150 °C	1.00 hour @Temperature 302 °F
	120 min @Temperature 125 °C	2.00 hour @Temperature 257 °F
Shelf Life	12.0 Month @Temperature -40.0 °C	12.0 Month @Temperature -40.0 °F

Descriptive Properties
B-Stage min	30		At 75°C
Thixotropic Index	4
Weight Loss %	0.3		At 250°C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PTRAC118 / 71046

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