Epoxy Technology EPO-TEK® 320-LV Optically Opaque Epoxy

Category	Polymer , Thermoset , Epoxy
Manufacturer	Epoxy Technology
Trade Name	EPO-TEK®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Epoxy Technology EPO-TEK® 320-LV Optically Opaque Epoxy.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Material Description: A two component, optically opaque epoxy adhesive designed for semiconductor and PCB applications in optoelectronic instrumentation and assemblies. A lower viscosity version of EPO-TEK® 320 that can be poured, potted or cast into shape.Information Provided by Epoxy Technology

Physical Properties	Metric	English	Comments
Specific Gravity	0.870 g/cc	0.870 g/cc	Part B
	1.20 g/cc	1.20 g/cc	Part A
Viscosity	350 - 650 cP @Temperature 23.0 °C	350 - 650 cP @Temperature 73.4 °F	100 rpm

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	84	84
Tensile Modulus	1.84 GPa	266 ksi	Storage
Shear Strength	11.6 MPa	1680 psi	Lap
	>= 35.2 MPa	>= 5100 psi	Die

Thermal Properties	Metric	English	Comments
CTE, linear	48.0 µm/m-°C	26.7 µin/in-°F	Below Tg
	170 µm/m-°C	94.4 µin/in-°F	Above Tg
Maximum Service Temperature, Air	200 °C	392 °F	Continuous
	300 °C	572 °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	397 °C	747 °F	Degradation Temperature

Optical Properties	Metric	English	Comments
Transmission, Visible	<= 1.0 % @Wavelength 300 - 2500 nm	<= 1.0 % @Wavelength 300 - 2500 nm	Spectral

Electrical Properties	Metric	English
Volume Resistivity	>= 2.00e+9 ohm-cm	>= 2.00e+9 ohm-cm
Dielectric Constant	11.35 @Frequency 1000 Hz	11.35 @Frequency 1000 Hz
Dissipation Factor	0.283 @Frequency 1000 Hz	0.283 @Frequency 1000 Hz

Processing Properties	Metric	English
Cure Time	120 min @Temperature 65.0 °C	2.00 hour @Temperature 149 °F
	1440 min @Temperature 23.0 °C	24.0 hour @Temperature 73.4 °F
Pot Life	60 min	60 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	Smooth pourable liquid
Mix Ratio By Weight	10:2
Number of Components	Two
Weight Loss	0.26%	200°C
	0.52%	250°C
	1.02%	300°C

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