CHT Group QSil 550R QSI Quantum Silicones Silicone Potting Material

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CHT Group QSil 550R QSI Quantum Silicones Silicone Potting Material
Categories:	Polymer; Thermoset; Silicone
Material Notes:	QSil 550Ris 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 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 7 mins @ 150°C
Tensile Strength	3.45 MPa	500 psi	cured 7 mins @ 150°C
Elongation at Break	120 %	120 %	cured 7 mins @ 150°C
100% Modulus	2.07 MPa @Strain 100 %	300 psi @Strain 100 %	cured 7 mins @ 150°C
Tear Strength	3.51 kN/m	20.0 pli	cured 7 mins @ 150°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	3.26e+15 ohm-cm	3.26e+15 ohm-cm
Dielectric Constant	3.4 @Frequency 1000 Hz	3.4 @Frequency 1000 Hz
Dissipation Factor	0.00600	0.00600

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.370 W/m-K	2.57 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-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
Pot Life	>= 30 min	>= 30 min	customized cure available

Descriptive Properties
Color	Beige		"A" component
	Red		"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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PACC031 / 22158

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