Armstrong A-706 Epoxy Adhesive

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Armstrong A-706 Epoxy Adhesive
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Cast, Metal Filled
Material Notes:	A one-component, gray, aluminum-filled, thixotropic, non-sag epoxy adhesive. A-706 has an in-service temperature range to 400°F, but requires 350°F minimum cure temperature. Features excellent machining and tensile properties at room temperature. A-706 is qualified under Mil. Spec. MMM-A-134, Type III. Information provided by Ellsworth Adhesives.
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Physical Properties	Metric	English	Comments

Viscosity	160000 cP	160000 cP

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	86	86
Tensile Strength, Ultimate	59.6 MPa	8650 psi	after optimum cure
Elongation at Break	2.4 %	2.4 %
Adhesive Bond Strength	34.1 MPa	4950 psi	Steel-Steel; after optimum cure
	19.3 MPa @Temperature -54.4 °C	2800 psi @Temperature -66.0 °F	Aluminum-Aluminum tensile shear
	27.9 MPa @Temperature 82.2 °C	4050 psi @Temperature 180 °F	Aluminum-Aluminum tensile shear
	42.1 MPa @Temperature 25.0 °C	6100 psi @Temperature 77.0 °F	Aluminum-Aluminum tensile shear

Thermal Properties	Metric	English	Comments
CTE, linear	53.0 µm/m-°C @Temperature 20.0 °C	29.4 µin/in-°F @Temperature 68.0 °F
Maximum Service Temperature, Air	204 °C	400 °F	After 350°F minimum cure temp.
Glass Transition Temp, Tg	130 °C	266 °F

Processing Properties	Metric	English	Comments
Processing Temperature	177 °C	350 °F	Optimum cure is 2 hr. @ 350°F
	260 °C	500 °F	Fast cure is 10 min. @ 500°F
Pot Life	99999 min @Temperature 25.0 °C	99999 min @Temperature 77.0 °F	Indefinite working life at 25°C (100 g)

Descriptive Properties
Color	Amber
Mix Ratio	1 Part

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 terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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