CHT Group QSil 551 QSI Quantum Silicones Silicone Potting Material

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CHT Group QSil 551 QSI Quantum Silicones Silicone Potting Material (discontinued **)
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Part of the Amber Chemical Group. Data provided by manufacturer. Characteristics: 100% solid, long pot life, low modulus, good elongation. Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Original Value	Comments

Specific Gravity	1.40 g/cc	"B" component
	1.40 g/cc	"A" component
Viscosity	3000 cP	"B" component
	4000 cP	"A" component

Mechanical Properties	Original Value	Comments
Hardness, Shore A	30	catalyzed
Tensile Strength	>= 1.70 MPa	catalyzed
Elongation at Break	>= 200 %	catalyzed
100% Modulus	>= 0.150 ksi @Strain 100 %	catalyzed
Tear Strength	>= 15.0 pli	catalyzed

Electrical Properties	Original Value	Comments
Volume Resistivity	2.60e+14 ohm-cm
Dielectric Constant	2.9 @Frequency 1000 Hz
Dielectric Strength	444.5 V/mil

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.370 W/m-K
Flammability, UL94	V-1 @Thickness 1.50 mm
	V-0 @Thickness 3.00 mm

Processing Properties	Original Value	Comments
Pot Life	>= 120 min

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

**
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PACC033 / 22160

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