Lord Adhesives Thermoset™ EP-830 Ignition Coil Impregnating and Encapsulation Epoxy

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Lord Adhesives Thermoset™ EP-830 Ignition Coil Impregnating and Encapsulation Epoxy
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Lord EP-830 is a heat curing, two component epoxy formulation designed especially for use in automotive high voltage ignition coils where adhesion to segmented bobbins is critical. The combination of low viscosity, excellent high temperature electrical performance and good thermal shock resistance make this epoxy compound ideal for this application. All information provided by Lord.
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Physical Properties	Original Value	Comments

Specific Gravity	1.65 g/cc @Temperature 25.0 °C	STM 2
Water Absorption	0.18 % @Time 86400 sec	ASTM D570
Loss On Ignition	0.28 % @Temperature 155 °C, Time 605000 sec
Viscosity	170 cP @Temperature 75.0 °C	STM 1
	4000 cP @Temperature 25.0 °C	STM 1

Mechanical Properties	Original Value	Comments
Hardness, Shore D	97	STM 5, ASTM D2240
Tensile Strength, Yield	12345 psi	ASTM D638
Elongation at Yield	2.5 %	ASTM D638
Izod Impact, Notched	0.350 ft-lb/in	ASTM D256

Electrical Properties	Original Value	Comments
Volume Resistivity	3.80e+12 ohm-cm @Temperature 150 °C	ASTM D257
	2.50e+15 ohm-cm @Temperature 90.0 °C	ASTM D257
	5.80e+15 ohm-cm @Temperature 30.0 °C	ASTM D257
Dielectric Constant	3.62 @Frequency 1e+6 Hz, Temperature 30.0 °C	ASTM D150
	3.67 @Frequency 1e+6 Hz, Temperature 90.0 °C	ASTM D150
	3.69 @Frequency 1e+6 Hz, Temperature 150 °C	ASTM D150
Dielectric Strength	1225 V/mil @Thickness 0.650 mm	ASTM D149
Dissipation Factor	0.0030 @Frequency 1e+6 Hz, Temperature 30.0 °C	ASTM D150
	0.0030 @Frequency 1e+6 Hz, Temperature 90.0 °C	ASTM D150
	0.0060 @Frequency 1e+6 Hz, Temperature 150 °C	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	25.0 µm/m-°C	ASTM D696
Maximum Service Temperature, Air	180 °C
Glass Transition Temp, Tg	175 °C	Mettler DSC-30, ASTM D3418

Processing Properties	Original Value	Comments
Cure Time	3.00 hour @Temperature 100 °C	plus 2 hours @ 150ºC
Pot Life	1440 - 2880 min @Temperature 25.0 °C
Shelf Life	6.00 Month @Temperature 25.0 °C	Resin
	12.0 Month @Temperature 25.0 °C	Hardener

Descriptive Properties
Appearance	Tan
Mix Ratio	100:28	by weight
	100:46	by volume

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PLORD102 / 86110

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