Epoxy Technology EPO-TEK® OE121 Black Epoxy Adhesive

Category	Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
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® OE121 Black Epoxy Adhesive.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Material Description: A two component, low temperature curing epoxy adhesive designed for semiconductor flip chip underfill. It is color coded black for visual ID during the underfilling process. It may also be used for adhesive, potting, sealing, and encapsulation applications found within the electronics, medical, and optical industries. It is a black version of EPO-TEK® OE121.Information Provided by Epoxy Technology

Physical Properties	Metric	English	Comments
Specific Gravity	0.960 g/cc	0.960 g/cc	Part B
	1.18 g/cc	1.18 g/cc	Part A
Particle Size	<= 20 µm	<= 20 µm
Viscosity	300 - 500 cP @Temperature 23.0 °C	300 - 500 cP @Temperature 73.4 °F	100 rpm

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	81	81
Tensile Modulus	1.71 GPa	249 ksi	Storage
Shear Strength	11.83 MPa	1716 psi	Lap
	35.2 MPa	5100 psi	Die

Thermal Properties	Metric	English	Comments
CTE, linear	43.0 µm/m-°C	23.9 µin/in-°F	Below Tg
	158 µm/m-°C	87.8 µin/in-°F	Above Tg
Maximum Service Temperature, Air	200 °C	392 °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	>= 55.0 °C	>= 131 °F	Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min
Decomposition Temperature	350 °C	662 °F	Degradation Temperature

Optical Properties	Metric	English	Comments
Transmission, Visible	<= 1.0 % @Wavelength 340 - 1260 nm	<= 1.0 % @Wavelength 340 - 1260 nm	Spectral

Electrical Properties	Metric	English
Volume Resistivity	>= 1.00e+13 ohm-cm	>= 1.00e+13 ohm-cm
Dielectric Constant	3.67 @Frequency 1000 Hz	3.67 @Frequency 1000 Hz
Dissipation Factor	0.012 @Frequency 1000 Hz	0.012 @Frequency 1000 Hz

Chemical Properties	Metric	English
Ionic Impurities - Na (Sodium)	16 ppm	16 ppm
Ionic Impurities - K (Potassium)	1.0 ppm	1.0 ppm
Ionic Impurities - Cl (Chloride)	62 ppm	62 ppm

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 90.0 °C	1.00 hour @Temperature 194 °F	minimum
	180 min @Temperature 80.0 °C	3.00 hour @Temperature 176 °F	minimum
	2880 min @Temperature 23.0 °C	48.0 hour @Temperature 73.4 °F	minimum
Pot Life	300 min	300 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
	Clear/Colorless	Part B
Consistency	Pourable liquid
Ionic Impurities NH4	15 ppm
Mix Ratio By Weight	100:35
Number of Components	Two
Weight Loss	1.2%	200°C
	1.71%	250°C
	3.91%	300°C

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