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Armstrong A-3/A 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-3/A Epoxy Adhesive.pdf
Price	EMAIL US sales@lookpolymers.com

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.

Physical Properties	Metric	English	Comments
Viscosity	500000 cP	500000 cP	Mixed

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	87	87
Tensile Strength, Ultimate	31.4 MPa	4550 psi	after optimum cure
Elongation at Break	1.7 %	1.7 %
Adhesive Bond Strength	59.6 MPa	8650 psi	Steel-Steel; after optimum cure
	9.65 MPa @Temperature 82.2 °C	1400 psi @Temperature 180 °F	Aluminum-Aluminum tensile shear
	13.4 MPa @Temperature -54.4 °C	1950 psi @Temperature -66.0 °F	Aluminum-Aluminum tensile shear
	17.2 MPa @Temperature 25.0 °C	2500 psi @Temperature 77.0 °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	87.0 °C	189 °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
	93.3 °C	200 °F	Fast cure is 10 min. @ 200°F
Pot Life	<= 30.0 min @Temperature 25.0 °C	<= 30.0 min @Temperature 77.0 °F	100 g

Descriptive Properties	Value	Comments
Color	Black
Mix Ratio	100/4	By Weight

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