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Metal adhesives

Armstrong A-4/A Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: Is a heavy, non-metallic filled, gray paste epoxy that provides excellent thixotropic non-sag bond lines. It can be used for small volume casting applications.

Information provided by Ellsworth Adhesives.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Viscosity 850000 cP850000 cPMixed
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8484
Tensile Strength, Ultimate 23.1 MPa3350 psiafter optimum cure
Elongation at Break 1.6 %1.6 %
Adhesive Bond Strength 53.4 MPa7750 psiSteel-Steel; after optimum cure
 11.0 MPa
@Temperature 25.0 °C
1600 psi
@Temperature 77.0 °F
Aluminum-Aluminum tensile shear
 12.4 MPa
@Temperature -54.4 °C
1800 psi
@Temperature -66.0 °F
Aluminum-Aluminum tensile shear
 17.6 MPa
@Temperature 82.2 °C
2550 psi
@Temperature 180 °F
Aluminum-Aluminum tensile shear
 
Thermal PropertiesMetricEnglishComments
CTE, linear 48.0 µm/m-°C
@Temperature 20.0 °C
26.7 µin/in-°F
@Temperature 68.0 °F
Glass Transition Temp, Tg 86.0 °C187 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 22.2 °C72.0 °F
 73.9 °C165 °FOptimum cure is 2 hr. @ 165°F
Pot Life <= 30.0 min
@Temperature 25.0 °C
<= 30.0 min
@Temperature 77.0 °F
100 g
 
Descriptive Properties
ColorGrey
Mix Ratio100/4By Weight

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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Metal adhesives

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