Reynolds EA-40® Clear Amber Epoxy Adhesive and Laminating Resin

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Reynolds EA-40® Clear Amber Epoxy Adhesive and Laminating Resin
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Product Overview: EA-40® Clear Amber Epoxy is an unfilled low-viscosity epoxy adhesive that can be spread easily in thin films that are almost transparent after curing. EA-40® has a long pot life and cures in 24 hours at room temperature to provide good mechanical and electrical properties. Mix ratio is 1:1 by volume. When mixed 2A:1B by volume, EA-40® will achieve greater heat resistance and improved physical properties. EA-40® is versatile and can be used for many different assembly and repair applications ranging from electrical potting to jewelry assembly to repairing plumbing fixtures. Bow makers have come to know EA-40® as a tremendous laminating resin. EA-40® provides highly moisture resistant bonds meeting the performance requirements for Federal Specification MMM-A-188, Type III. Information provided by Reynolds Advanced Materials
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Physical Properties	Original Value	Comments

Specific Gravity	1.10 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Barcol	66	935
Tensile Strength	3400 psi
Elongation at Break	1.0 %
Modulus of Elasticity	140 ksi	Compression
	190 ksi	Tension
Compressive Yield Strength	8100 psi
Adhesive Bond Strength	1400 psi @Temperature -50.0 °C	Exposure: None; Substrate: AL 2024-T-3; ASTM D1002
	1500 psi @Temperature 25.0 °C	Exposure: None; Substrate: AL 2024-T-3; ASTM D1002
	1800 psi @Temperature 80.0 °C	Exposure: None; Substrate: AL 2024-T-3; ASTM D1002
	2500 psi @Temperature 25.0 °C	Exposure: 30 days in tap water @ 25°C; Substrate: AL 2024-T-3; ASTM D1002
	2900 psi @Temperature 25.0 °C	Exposure: 7 days in 100% RH @ 65°C; Substrate: AL 2024-T-3; ASTM D1002
	3300 psi @Temperature 25.0 °C	Exposure: None; Substrate: Cold Rolled Steel; ASTM D1002

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	73.0 °C	Deflection Temp. At 1A:1B Mix Ratio
	103 °C	Deflection Temp. At 2A:1B Mix Ratio

Processing Properties	Original Value	Comments
Cure Time	24.0 hour
Pot Life	120 min

Descriptive Properties
Color	Clear Amber
Mix Ratio	1A:1B	by volume
Mixed Viscosity	Light-paste
Sag Resistance	1/16”

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