CHT Group QSil 563 Addition Cure Potting Material

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CHT Group QSil 563 Addition Cure Potting Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QSil 563 is a 100% silicone solids elastomer designed for electrical potting applications. The two-component system offers a hard, thermally conductive, low modulus material that is readily repairable. Key Features: 100% solids Excellent thermal conductivity Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	2.07 g/cc	2.07 g/cc	Uncatalyzed, QSil 563A
	2.13 g/cc	2.13 g/cc	Uncatalyzed, QSil 563B
Viscosity	4000 cP	4000 cP	Uncatalyzed, QSil 563A
	5200 cP	5200 cP	Uncatalyzed, QSil 563B

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	46	46	Cure 15 minutes at 150°C
Tensile Strength	0.827 MPa	120 psi	Cure 15 minutes at 150°C
Elongation at Break	55 %	55 %	Cure 15 minutes at 150°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	6.52e+15 ohm-cm	6.52e+15 ohm-cm
Dielectric Constant	4.57 @Frequency 1000 Hz	4.57 @Frequency 1000 Hz
Dielectric Strength	18.1 kV/mm	460 kV/in
Dissipation Factor	0.0070	0.0070

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.880 W/m-K	6.11 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F
Flammability, UL94	V-0 @Thickness 3.00 mm	V-0 @Thickness 0.118 in

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 150 °C	0.250 hour @Temperature 302 °F	As Tested
Gel Time	140 min	140 min	Catalyzed

Descriptive Properties
Color	White		Uncatalyzed, QSil 563A
	Yellow		Uncatalyzed, QSil 563B

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PACC2101 / 199489

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