Epoxy Technology EPO-TEK® EV2002 Silver-filled, electrically conductive, flexible epoxy

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Epoxy Technology EPO-TEK® EV2002 Silver-filled, electrically conductive, flexible epoxy
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive
Material Notes:	Material Description: Silver-filled, electrically conductive, flexible epoxy Information Provided by Epoxy Technology
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Physical Properties	Metric	English	Comments

Specific Gravity	3.71 g/cc	3.71 g/cc	Part A
	4.09 g/cc	4.09 g/cc	Part B
Particle Size	<= 45 µm	<= 45 µm
Viscosity	24000 - 46000 cP @Temperature 23.0 °C	24000 - 46000 cP @Temperature 73.4 °F	5 rpm

Chemical Properties	Metric	English	Comments
Ionic Impurities - Na (Sodium)	18 ppm	18 ppm
Ionic Impurities - K (Potassium)	2.0 ppm	2.0 ppm
Ionic Impurities - Cl (Chloride)	295 ppm	295 ppm

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	72	72
Tensile Modulus	3.40 GPa	494 ksi	Storage
Shear Strength	9.046 MPa	1312 psi	Lap
	>= 11.7 MPa	>= 1700 psi	Die

Electrical Properties	Metric	English	Comments
Volume Resistivity	<= 0.00050 ohm-cm	<= 0.00050 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	37.0 µm/m-°C	20.6 µin/in-°F	Below Tg
	219 µm/m-°C	122 µin/in-°F	Above Tg
Thermal Conductivity	1.84 W/m-K	12.8 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	225 °C	437 °F	Continuous
	325 °C	617 °F	Intermittent
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Continuous
	-55.0 °C	-67.0 °F	Intermittent
Glass Transition Temp, Tg	>= 50.0 °C	>= 122 °F	Dynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature	402 °C	756 °F	Degradation Temperature

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 120 °C	0.250 hour @Temperature 248 °F	minimum
Pot Life	240 min	240 min
Shelf Life	12.0 Month @Temperature 25.0 °C	12.0 Month @Temperature 77.0 °F

Descriptive Properties
Color	Silver		Part A
	Silver		Part B
Consistency	Smooth thixotropic paste
Ionic Impurities NH₄	29 ppm
Mix Ratio by Weight	4:1
Number of Components	Two
Thixotropic Index	5.3
Weight Loss	0.06%		200°C
	0.1%		250°C
	0.22%		300°C

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PPOXYT025 / 141064

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