Epoxy Technology EPO-TEK® T7109-19 Electrically Insulating Epoxy Paste

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Epoxy Technology EPO-TEK® T7109-19 Electrically Insulating Epoxy Paste
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Material Description: A flexible, thermally conductive, electrically insulating epoxy paste designed for low stress and heat dissipation applications. It is an alternative to EPO-TEK® T7109-17, designed for higher strength. Information Provided by Epoxy Technology
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Physical Properties	Original Value	Comments

Specific Gravity	1.01 g/cc	Part B
	1.36 g/cc	Part A
Particle Size	<= 20 µm
Viscosity	40000 - 70000 cP @Temperature 23.0 °C	5 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	41
Tensile Modulus	29931 psi	Storage
Shear Strength	1434 psi	Lap
	1700 psi	Die

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 5.00e+12 ohm-cm
Dielectric Constant	3.42 @Frequency 1000 Hz
Dissipation Factor	0.030 @Frequency 1000 Hz

Thermal Properties	Original Value	Comments
CTE, linear	59.0 µm/m-°C	Below Tg
	216 µm/m-°C	Above Tg
Thermal Conductivity	1.30 W/m-K
Maximum Service Temperature, Air	150 °C	Continuous
	250 °C	Intermittent
Minimum Service Temperature, Air	-55.0 °C	Continuous
	-55.0 °C	Intermittent
Glass Transition Temp, Tg	<= 40.0 °C	Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min
Decomposition Temperature	338 °C	Degradation Temperature

Processing Properties	Original Value	Comments
Cure Time	2.00 hour @Temperature 80.0 °C	Minimum
	48.0 hour @Temperature 23.0 °C	Minimum
Pot Life	120 min
Shelf Life	12.0 Month @Temperature 25.0 °C

Descriptive Properties
Color	Clear/Colorless	Part B
	Gray	Part A
Consistency	Smooth paste
Mix Ratio by Weight	100:15
Number of Components	Two
Thixotropic Index	2.7
Weight Loss	0.41%	200°C
	0.68%	250°C
	1.44%	300°C

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PPOXYT095 / 141134

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