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Metal adhesives

Armstrong A-3/E Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive
Material Notes: A Jet black epoxy paste especially formulated for bonding rigid materials. When used with Activator A or E, A-3 exhibits excellent bonding properties to phenolics, precious stones, ceramics, glass, etc.

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 490000 cP490000 cPMixed
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8585
Tensile Strength, Ultimate 39.0 MPa5650 psiafter optimum cure
Elongation at Break 2.1 %2.1 %
Adhesive Bond Strength 59.6 MPa8650 psiSteel-Steel; after optimum cure
 14.5 MPa
@Temperature -54.4 °C		2100 psi
@Temperature -66.0 °F		Aluminum-Aluminum tensile shear
 16.2 MPa
@Temperature 82.2 °C		2350 psi
@Temperature 180 °F		Aluminum-Aluminum tensile shear
 20.3 MPa
@Temperature 25.0 °C		2950 psi
@Temperature 77.0 °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 98.0 °C208 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 93.3 °C200 °FOptimum cure is 1 hr. @ 200°F
Pot Life 120 - 180 min
@Temperature 25.0 °C		120 - 180 min
@Temperature 77.0 °F		100 g
 
Descriptive Properties
ColorBlack
Mix Ratio100/6By Weight

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