Epoxy Technology EPO-TEK® 337H Graphite-Filled, High Temperature Epoxy

Category	Polymer , Thermoset , Epoxy , Epoxy, High Temperature
Manufacturer	Epoxy Technology
Trade Name	EPO-TEK®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Epoxy Technology EPO-TEK® 337H Graphite-Filled, High Temperature Epoxy.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Product Description: EPO-TEK® 377H is a two component, high Tg, graphite filled epoxy designed for ESD/EMI shielding of semiconductor devices and electronics. It can be used in many electronic industries like consumer, military, medical, and optical / OEM/ fiber optics. It is an electrically conductive version of EPO-TEK®377.Advantages & Application Notes:Low viscosity - ideal for commercial and micro-dispensing applications.Suggested applications:Opto-electronics: Adhering IR filter windows to cap of TO-can; opaque epoxy resin in IR and VIS range; near hermetic sealing of windows and packages.Hybrid Microelectronics: adhesion to kovar, stainless steel, ceramics, glasses, lids or substrates in Rf/Microwave devices.Convenient 1:1 mix ratio allows for static mixing, or specialty packaging in double-barrel syringes.Information Provided by Epoxy Technology

Physical Properties	Metric	English	Comments
Specific Gravity	1.29 g/cc	1.29 g/cc	Part A
	1.33 g/cc	1.33 g/cc	Part B
Particle Size	<= 40 µm	<= 40 µm
Viscosity	500 - 1000 cP @Temperature 23.0 °C	500 - 1000 cP @Temperature 73.4 °F	100 rpm

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	80	80
Tensile Modulus	2.8741 GPa	416.85 ksi	Storage
Shear Strength	>= 13.8 MPa	>= 2000 psi	Lap
	>= 23.4 MPa	>= 3400 psi	Die

Thermal Properties	Metric	English	Comments
CTE, linear	56.0 µm/m-°C	31.1 µin/in-°F	Below Tg
	200 µm/m-°C	111 µin/in-°F	Above Tg
Thermal Conductivity	0.440 W/m-K	3.05 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	>= 95.0 °C	>= 203 °F	Dynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature	345 °C	653 °F	Degradation Temperature; TGA

Optical Properties	Metric	English	Comments
Transmission, Visible	<= 0.10 % @Wavelength 400 - 1500 nm	<= 0.10 % @Wavelength 400 - 1500 nm

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 400 ohm-cm	>= 400 ohm-cm

Processing Properties	Metric	English
Cure Time	60.0 min @Temperature 150 °C	1.00 hour @Temperature 302 °F
Pot Life	1440 min	1440 min
Shelf Life	12.0 Month @Temperature 25.0 °C	12.0 Month @Temperature 77.0 °F

Descriptive Properties	Value	Comments
Color	Black	Part A
	Black	Part B
Consistency	Pourable liquid
Mix Ratio By Weight	1:1
Number of Components	Two
Weight Loss	0.09%	200°C
	0.66%	250°C
	0.78%	300°C

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