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

Category	Polymer , Thermoset , Silicone
Manufacturer	Amber Chemical Company
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	ACC QSil 550SB QSI Quantum Silicones Self-Priming Silicone Potting Material.pdf
Price	EMAIL US sales@lookpolymers.com

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 requiredPart of the Amber Chemical Group. Data provided by manufacturer.

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, Yield	3.45 MPa	500 psi	cured 20 mins @ 150°C
Elongation at Break	120 %	120 %	cured 20 mins @ 150°C
100% Modulus	0.00207 GPa	0.300 ksi	cured 20 mins @ 150°C
Tear Strength	3.51 kN/m	20.0 pli	cured 20 mins @ 150°C

Thermal Properties	Metric	English
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

Electrical Properties	Metric	English
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

Processing Properties	Metric	English
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	Value	Comments
Color	Beige	"A" component
	Black	"B" component

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