Lord Adhesives CoolTherm™ SC-6702 Thermally Conductive Silicone Encapsulant

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Lord Adhesives CoolTherm™ SC-6702 Thermally Conductive Silicone Encapsulant
Categories:	Polymer; Thermoset; Silicone; Silicone Elastomer, for Thermal Management
Material Notes:	LORD CoolTherm™ SC-6702 thermally conductive silicone encapsulant is a two-component system designed to provide thermal conductivity for encapsulating sensitive electronic modules. Features: easy to use 1:1 mix ratio, by weight or volume. adheres without the use of a primer in most applications. provides thermal conductivity for applications where superior heat dissipation is required. can be used on parts and devices that experience operating temperatures from -55°C to 260°C. provides excellent flame retardancy; UL 94 V-O certified. All information provided by Lord.
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Physical Properties	Original Value	Comments

Specific Gravity	2.04 g/cc	SC-6702 Hardener
	2.09 g/cc	Mixed
	2.15 g/cc	SC-6702 Resin
Viscosity	27000 cP @Temperature 25.0 °C	SC-6702 Resin
	28000 cP @Temperature 25.0 °C	SC-6702 Hardener
	30000 cP @Temperature 25.0 °C	Mixed

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65	cured
Tensile Strength	600 psi	cured; ASTM D 412
Elongation at Break	80 %	cured; ASTM D 412

Electrical Properties	Original Value	Comments
Volume Resistivity	1.70e+15 ohm-cm @Temperature 25.0 °C	cured; ASTM D 257
Dielectric Constant	5.5 @Frequency 1e+6 Hz, Temperature 25.0 °C	cured; ASTM D 150
Dielectric Strength	434 V/mil	cured
Dissipation Factor	0.014 @Frequency 1e+6 Hz, Temperature 25.0 °C	cured; ASTM D 150

Thermal Properties	Original Value	Comments
CTE, linear	239 µm/m-°C	ASTM C 864
Thermal Conductivity	0.700 W/m-K	Hot Disc Transient Method
Maximum Service Temperature, Air	260 °C
Minimum Service Temperature, Air	-55.0 °C
Flammability, UL94	V-0

Processing Properties	Original Value	Comments
Working Life	240 min @Temperature 25.0 °C	Mixed
Gel Time	25.0 min @Temperature 66.0 °C	mixed
Shelf Life	6.00 Month @Temperature <=40.0 °C	each component from date of manufacture

Descriptive Properties
Appearance	Red Liquid	SC-6702 Resin
	Red Liquid	Mixed
	White Liquid	SC-6702 Hardener

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PLORD9269 / 232625

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