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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	55	cured 7 mins @ 150°C
Tensile Strength	3.45 MPa	cured 7 mins @ 150°C
Elongation at Break	120 %	cured 7 mins @ 150°C
100% Modulus	0.300 ksi @Strain 100 %	cured 7 mins @ 150°C
Tear Strength	20.0 pli	cured 7 mins @ 150°C

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

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.370 W/m-K
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-55.0 °C
Flammability, UL94	V-1 @Thickness 1.50 mm
	V-0 @Thickness 3.00 mm

Processing Properties	Original Value	Comments
Pot Life	>= 30 min	customized cure available

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

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PACC031 / 22158

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