CHT Group QSil 550SB QSI Quantum Silicones Self-Priming Silicone Potting Material

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CHT Group QSil 550SB QSI Quantum Silicones Self-Priming Silicone Potting Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	QSil 550SB is a 100% silicone solids elastomer designed for electronic potting applications. The two-component system offers a hard, thermally conductive, low modulus material that is readily repairable. Key Features: 100% solids - no solvents Long pot life Good elongation Low modulus Primerless adhesion Heat cure required Part of the Amber Chemical Group. Data provided by manufacturer. Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	1.41 g/cc	1.41 g/cc	"B" component
	1.41 g/cc	1.41 g/cc	"A" component
Viscosity	4000 cP	4000 cP	"B" component
	4000 cP	4000 cP	"A" component
Storage Temperature	<= 38.0 °C	<= 100 °F	12 months

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	55	55	cured 20 mins @ 150°C
Tensile Strength	3.45 MPa	500 psi	cured 20 mins @ 150°C
Elongation at Break	120 %	120 %	cured 20 mins @ 150°C
100% Modulus	2.07 MPa @Strain 100 %	300 psi @Strain 100 %	cured 20 mins @ 150°C
Tear Strength	3.51 kN/m	20.0 pli	cured 20 mins @ 150°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.47e+15 ohm-cm	1.47e+15 ohm-cm
Dielectric Constant	3.1 @Frequency 1000 Hz	3.1 @Frequency 1000 Hz
Dissipation Factor	0.0030	0.0030

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.370 W/m-K	2.57 BTU-in/hr-ft²-°F
Flammability, UL94	V-1 @Thickness 1.50 mm	V-1 @Thickness 0.0591 in
	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
	30.0 min @Temperature 125 °C	0.500 hour @Temperature 257 °F
	45.0 min @Temperature 100 °C	0.750 hour @Temperature 212 °F
Pot Life	>= 480 min	>= 480 min

Descriptive Properties
Color	Beige		"A" component
	Black		"B" component

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.

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PACC032 / 22159

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