Epoxy Technology EPO-TEK® EV2118-2 Silver-filled, electrically conductive epoxy

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Epoxy Technology EPO-TEK® EV2118-2 Silver-filled, electrically conductive epoxy
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive
Material Notes:	Preliminary Product Information Sheet Material Description: A silver-filled, electrically conductive epoxy designed for semiconductor and electronic assembly. Information Provided by Epoxy Technology
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Physical Properties	Metric	English	Comments

Specific Gravity	2.53 g/cc	2.53 g/cc	Part A
	3.33 g/cc	3.33 g/cc	Part B
Particle Size	<= 20 µm	<= 20 µm
Viscosity	2849 cP @Temperature 23.0 °C	2849 cP @Temperature 73.4 °F	100 rpm

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	55	55
Tensile Modulus	4.73 GPa	686 ksi	Storage

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

Thermal Properties	Metric	English	Comments
Thermal Conductivity	4.03 W/m-K	28.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	150 °C	302 °F	Continuous
	250 °C	482 °F	Intermittent
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Continuous
	-55.0 °C	-67.0 °F	Intermittent
Glass Transition Temp, Tg	>= 40.0 °C	>= 104 °F
Decomposition Temperature	325 °C	617 °F	Degradation Temperature

Processing Properties	Metric	English	Comments
Cure Time	10.0 min @Temperature 150 °C	0.167 hour @Temperature 302 °F
	20.0 min @Temperature 120 °C	0.333 hour @Temperature 248 °F
Pot Life	4320 min	4320 min
Shelf Life	12.0 Month @Temperature 25.0 °C	12.0 Month @Temperature 77.0 °F

Descriptive Properties
Color	Shiny Silver		Part A
	Shiny Silver		Part B
Consistency	Smooth paste
Die Shear	9.3 kg
Mix Ratio by Weight	1:1
Number of Components	Two
Thixotropic Index	4.4
Weight Loss	0.61%		200°C
	0.84%		250°C
	1.58%		300°C

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PPOXYT026 / 141065

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