Lord Adhesives Thermoset™ 741 A/B Epoxy Adhesive System

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Lord Adhesives Thermoset™ 741 A/B Epoxy Adhesive System
Categories:	Polymer; Thermoset; Epoxy; Epoxy Adhesive
Material Notes:	Thermoset 741 A/B is a medium viscosity, high strength, epoxy structural adhesive featuring rapid cure in thin films and a convenient mix ratio by volume. This material cures to a tough, high impact polymer, and provides exceptional adhesion to a wide variety of substrates. 741 A/B can also be used in small potting applications where minimal flow during cure is desired. All information provided by Lord.
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Physical Properties	Original Value	Comments

Density	9.57 lb/gal	Part B
	10.02 lb/gal	Part A
Viscosity	30000 cP @Temperature 25.0 °C	Part B
	50000 cP @Temperature 25.0 °C	Part A

Mechanical Properties	Original Value	Comments
Hardness, Shore D	>= 80	cured
Tensile Strength	7800 psi	Cured
Elongation at Break	3.5 %	cured
Compressive Strength	9800 psi	cured
Shear Strength	2000 psi	Tensile (AI/AI), cured

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+13 ohm-cm
Dielectric Constant	4.3 @Frequency 1000 Hz
Dielectric Strength	450 V/mil
Dissipation Factor	0.034 @Frequency 1000 Hz

Processing Properties	Original Value	Comments
Pot Life	3.00 - 5.00 min @Temperature 25.0 °C	in a 20 gram mass

Descriptive Properties
Appearance	Light Amber Syrup	Part B
	Translucent Syrup	Part A
Mix Ratio	1 part 741 A to 1 part 741 B	by volume
	1 part 741 A to 96 parts 741 B	by weight

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PLORD9154 / 232542

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