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Armstrong A-31 Epoxy Adhesive

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer Armstrong Epoxy Adhesives; Resin Technology Group
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Armstrong A-31 Epoxy Adhesive.pdf
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Material Notes:
Is a neutral-colored thixotropic paste material having a creamy or buttery consistency that will not flow even when cured at elevated temperatures A-31 also features Extremely low outgassing characteristics, making it ideal for bonding assemblies that will be subjected to a vacuum.Information provided by Ellsworth Adhesives.
Mechanical Properties Metric English Comments
Hardness, Shore D 84
84
Tensile Strength, Ultimate 34.1 MPa
4950 psi
after optimum cure
Elongation at Break 1.8 %
1.8 %
Adhesive Bond Strength 48.6 MPa
7050 psi
Steel-Steel; after optimum cure
13.8 MPa

@Temperature 82.2 °C
2000 psi

@Temperature 180 °F
Aluminum-Aluminum tensile shear
19.0 MPa

@Temperature 25.0 °C
2750 psi

@Temperature 77.0 °F
Aluminum-Aluminum tensile shear
19.3 MPa

@Temperature -54.4 °C
2800 psi

@Temperature -66.0 °F
Aluminum-Aluminum tensile shear
Thermal Properties Metric English Comments
CTE, linear 46.0 µm/m-°C

@Temperature 20.0 °C
25.6 µin/in-°F

@Temperature 68.0 °F
Glass Transition Temp, Tg 79.0 °C
174 °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
149 °C
300 °F
Fast cure is 5 min. @ 300°F
Pot Life <= 40.0 min

@Temperature 25.0 °C
<= 40.0 min

@Temperature 77.0 °F
100 g
Descriptive Properties Value Comments
Color Neutral
Mix Ratio 3/2
By Weight
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