Lord Adhesives CoolTherm™ EP-636 Epoxy Encapsulant System

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Lord Adhesives CoolTherm™ EP-636 Epoxy Encapsulant System
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	LORD CoolTherm™ EP-636 epoxy encapsulant is a two-component system specifically designed for high temperature applications. CoolTherm EP-636 encapsulant is recommended for encapsulation of electric motor stator assemblies used on downhole oil pumps. CoolTherm EP-636 hardener may crystallize during shipment or storage. If crystals appear, gently warm hardener at 50-65°C to melt crystals before mixing with resin. Features: maintains electrical insulation stability at extremely high temperatures. provides protection of electrical devices exposed to harsh environmental conditions. exhibits very low weight loss over extended periods at elevated temperatures. All information provided by Lord.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.00 g/cc @Temperature 25.0 °C	1.00 g/cc @Temperature 77.0 °F	EP-636 Hardener
	1.58 g/cc @Temperature 25.0 °C	1.58 g/cc @Temperature 77.0 °F	Mixed
	1.61 g/cc @Temperature 25.0 °C	1.61 g/cc @Temperature 77.0 °F	EP-636 Resin
Viscosity	3500 cP @Temperature 25.0 °C	3500 cP @Temperature 77.0 °F	EP-636 Hardener
	50000 cP @Temperature 25.0 °C	50000 cP @Temperature 77.0 °F	Mixed
	86000 cP @Temperature 25.0 °C	86000 cP @Temperature 77.0 °F	EP-636 Resin

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	95	95	cured; ASTM D 2240
Tensile Strength	42.7 MPa	6200 psi	cured; ASTM D 636

Electrical Properties	Metric	English	Comments
Volume Resistivity	5.60e+15 ohm-cm @Temperature 25.0 °C	5.60e+15 ohm-cm @Temperature 77.0 °F	cured; ASTM D 257
Dielectric Constant	3.62 @Frequency 1e+6 Hz, Temperature 25.0 °C	3.62 @Frequency 1e+6 Hz, Temperature 77.0 °F	cured; ASTM D 150
Dielectric Strength	18.3 kV/mm	464 kV/in	cured; ASTM D 149
Dissipation Factor	0.023 @Frequency 1e+6 Hz, Temperature 25.0 °C	0.023 @Frequency 1e+6 Hz, Temperature 77.0 °F	cured; ASTM D 150

Thermal Properties	Metric	English	Comments
CTE, linear	35.0 µm/m-°C	19.4 µin/in-°F	cured
Thermal Conductivity	0.700 W/m-K	4.86 BTU-in/hr-ft²-°F	cured
Glass Transition Temp, Tg	180 °C	356 °F	by TMA, cured

Processing Properties	Metric	English	Comments
Pot Life	1.00 - 2.00 min @Temperature 25.0 °C	1.00 - 2.00 min @Temperature 77.0 °F	days, working life
Gel Time	30.0 min @Temperature 93.0 °C	30.0 min @Temperature 199 °F	mixed
Shelf Life	12.0 Month @Temperature 25.0 °C	12.0 Month @Temperature 77.0 °F	EP-636 Resin
	24.0 Month @Temperature 25.0 °C	24.0 Month @Temperature 77.0 °F	EP-636 Hardener

Descriptive Properties
Appearance	Black Liquid		EP-636 Hardener
	Grey Liquid		Mixed
	White Liquid		EP-636 Resin

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PLORD9250 / 232606

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