Epoxy Technology EPO-TEK® T905-1 Thermally Conductive, Electrically Insulating Epoxy

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Epoxy Technology EPO-TEK® T905-1 Thermally Conductive, Electrically Insulating Epoxy
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Thermally Conductive
Material Notes:	Material Description: Two component, thermally conductive, electrically insulating epoxy suggested for general adhesive bonding, sealing, potting and encapsulation applications. Replacement for EPO-TEK® T905. Information Provided by Epoxy Technology
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Physical Properties	Metric	English	Comments

Specific Gravity	1.03 g/cc	1.03 g/cc	Part B
	2.19 g/cc	2.19 g/cc	Part A
Particle Size	<= 50 µm	<= 50 µm
Viscosity	6000 - 13000 cP @Temperature 23.0 °C	6000 - 13000 cP @Temperature 73.4 °F	20 rpm

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	80	80
Tensile Modulus	3.03 GPa	440 ksi	Storage
Shear Strength	>= 13.8 MPa	>= 2000 psi	Lap
	>= 35.2 MPa	>= 5100 psi	Die

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+12 ohm-cm	>= 1.00e+12 ohm-cm
Dielectric Constant	4.83 @Frequency 1000 Hz	4.83 @Frequency 1000 Hz
Dissipation Factor	0.0090 @Frequency 1000 Hz	0.0090 @Frequency 1000 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	25.0 µm/m-°C	13.9 µin/in-°F	Below Tg
	130 µm/m-°C	72.2 µin/in-°F	Above Tg
Thermal Conductivity	0.590 W/m-K	4.09 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	175 °C	347 °F	Continuous
	275 °C	527 °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	Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min
Decomposition Temperature	346 °C	655 °F	Degradation Temperature

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 80.0 °C	1.00 hour @Temperature 176 °F	Minimum
	120 min @Temperature 60.0 °C	2.00 hour @Temperature 140 °F	Minimum
	1440 min @Temperature 23.0 °C	24.0 hour @Temperature 73.4 °F	Minimum
Pot Life	30 min	30 min
Shelf Life	12.0 Month @Temperature 25.0 °C	12.0 Month @Temperature 77.0 °F

Descriptive Properties
Color	Amber		Part B
	Gray		Part A
Consistency	Pourable paste
Mix Ratio by Weight	100:20
Number of Components	Two
Thixotropic Index	1.6
Weight Loss	0.27%		200°C
	1.08%		250°C
	2.67%		300°C

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PPOXYT098 / 141137

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