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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.
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Physical Properties
Metric
English
Comments
Viscosity
850000
cP
850000
cP
Mixed
Mechanical Properties
Metric
English
Comments
Hardness, Shore D
84
84
Tensile Strength, Ultimate
23.1
MPa
3350
psi
after optimum cure
Elongation at Break
1.6 %
1.6 %
Adhesive Bond Strength
53.4
MPa
7750
psi
Steel-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 Properties
Metric
English
Comments
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
°C
187
°F
Processing Properties
Metric
English
Comments
Processing Temperature
22.2
°C
72.0
°F
73.9
°C
165
°F
Optimum 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
Color
Grey
Mix Ratio
100/4
By 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
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regarding this information.
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to view all the property values for this datasheet as they were originally entered into MatWeb.
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