CHT Group QSil 568 Addition Cure Potting Material

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CHT Group QSil 568 Addition Cure Potting Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QSil 568 is a 100% silicone semi-thixotropic compound designed for potting and encapsulation applications. Key Features: 100% solids One hour gel time Semi-thixotropic Heat cure required Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	0.980 g/cc	0.980 g/cc	Uncatalyzed, QSil 568B
	1.48 g/cc	1.48 g/cc	Uncatalyzed, QSil 568A
Viscosity	3000 cP	3000 cP	Uncatalyzed, QSil 568B
	80000 cP	80000 cP	Uncatalyzed, QSil 568A

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	50	50	Cure 17 minutes at 150°C
Tensile Strength	3.10 MPa	450 psi	Cure 17 minutes at 150°C
Elongation at Break	200 %	200 %	Cure 17 minutes at 150°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	6.02e+15 ohm-cm	6.02e+15 ohm-cm
Dielectric Constant	3.27 @Frequency 1000 Hz	3.27 @Frequency 1000 Hz
Dielectric Strength	22.6 kV/mm	574 kV/in
Dissipation Factor	0.0090	0.0090

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F

Processing Properties	Metric	English	Comments
Cure Time	17.0 min @Temperature 150 °C	0.283 hour @Temperature 302 °F	As Tested
Gel Time	60.0 min	60.0 min	Catalyzed

Descriptive Properties
Color	Black		Uncatalyzed, QSil 568B
	White		Uncatalyzed, QSil 568A

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PACC2103 / 199491

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