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Metal adhesives

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Armstrong A-7 Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: Clear, flexible, 5-minute cure structural bonding plastic adhesive. Develops high performance, high impact durable bonds for operating temperatures from -65° to +250°. Supplied in 1:1 ratio dispense kits for easy application.

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 PropertiesOriginal ValueComments
Viscosity 20000 cPMixed
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 50
Tensile Strength, Ultimate 5500 psiafter optimum cure
Elongation at Break 8.0 %
Adhesive Bond Strength 5100 psiSteel-Steel; after optimum cure
 1700 psi
@Temperature 82.2 °C
Aluminum-Aluminum tensile shear
 2450 psi
@Temperature -54.4 °C
Aluminum-Aluminum tensile shear
 3600 psi
@Temperature 25.0 °C
Aluminum-Aluminum tensile shear
 
Thermal PropertiesOriginal ValueComments
CTE, linear 65.0 µm/m-°C
@Temperature 20.0 °C
Maximum Service Temperature, Air 250 °F
Minimum Service Temperature, Air -65.0 °F
Glass Transition Temp, Tg 55.0 °C
 
Processing PropertiesOriginal ValueComments
Processing Temperature 72.0 °F
 165 °FOptimum cure is 20 min. @ 165°F
Pot Life <= 5.00 min
@Temperature 25.0 °C
100 g
 
Descriptive Properties
ColorClear
Mix Ratio100/100By Weight

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PARM13 / 24545

Metal adhesives

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