CHT Group QSil 553 QSI Quantum Silicones Silicone Potting Material

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CHT Group QSil 553 QSI Quantum Silicones Silicone Potting Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	QSil 553 is a 100% silicone solids elastomer designed for electronic potting applications. The two-component system offers a flame retardant, thermally conductive, low modulus material that is readily repairable. Key Features: 100% solids - no solvents Long pot life Good elongation Low modulus Material is UL listed. 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	1.63 g/cc	1.63 g/cc	"B" component
	1.63 g/cc	1.63 g/cc	"A" component
Viscosity	6000 cP	6000 cP	"B" component
	6000 cP	6000 cP	"A" component
Storage Temperature	<= 38.0 °C	<= 100 °F	12 months

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	45	45	cured 15 mins @ 150°C
Tensile Strength	1.72 MPa	249 psi	cured 15 mins @ 150°C
Elongation at Break	240 %	240 %	cured 15 mins @ 150°C
100% Modulus	1.24 MPa @Strain 100 %	180 psi @Strain 100 %	cured 15 mins @ 150°C
Tear Strength	7.89 kN/m	45.0 pli	cured 15 mins @ 150°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	4.02e+14 ohm-cm	4.02e+14 ohm-cm
Dielectric Constant	3.1 @Frequency 1000 Hz	3.1 @Frequency 1000 Hz
Dissipation Factor	0.0090	0.0090
Comparative Tracking Index	600 V	600 V

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.680 W/m-K	4.72 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	240 °C	464 °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
Pot Life	100 min	100 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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PACC034 / 22161

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