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

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Epoxy Technology EPO-TEK® 320-LV Optically Opaque Epoxy
Categories:	Polymer; Thermoset; Epoxy
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
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Physical Properties	Original Value	Comments

Specific Gravity	0.870 g/cc	Part B
	1.20 g/cc	Part A
Viscosity	350 - 650 cP @Temperature 23.0 °C	100 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	84
Tensile Modulus	266000 psi	Storage
Shear Strength	1680 psi	Lap
	>= 5100 psi	Die

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

Thermal Properties	Original Value	Comments
CTE, linear	48.0 µm/m-°C	Below Tg
	170 µm/m-°C	Above Tg
Maximum Service Temperature, Air	200 °C	Continuous
	300 °C	Intermittent
Minimum Service Temperature, Air	-55.0 °C	Continuous
	-55.0 °C	Intermittent
Glass Transition Temp, Tg	>= 55.0 °C	Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min
Decomposition Temperature	397 °C	Degradation Temperature

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

Processing Properties	Original Value	Comments
Cure Time	2.00 hour @Temperature 65.0 °C
	24.0 hour @Temperature 23.0 °C
Pot Life	60 min
Shelf Life	12.0 Month @Temperature 25.0 °C

Descriptive Properties
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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PPOXYT117 / 141156

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