CHT Group QGel 343 Thixotropic Silicone Gel

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CHT Group QGel 343 Thixotropic Silicone Gel
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Product Description: QGel 343 is a translucent, hard, tough, moderately cross-linked silicone polymer. Silicone gels are used to provide protection from vibration and thermal or mechanical shock. Silicone gels also provide excellent moisture protection. Key Features: Both the QGel 343 A and QGel 343 B are flowable, but become thixotropic when mixed Mix ratio by weight: 1:1 Mix ratio by volume: 100 parts “A” to 108 parts of “B” or 91.6 parts of “A” to 100 parts of “B” Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Original Value	Comments

Specific Gravity	0.980 g/cc	Uncatalyzed B
	1.07 g/cc	Uncatalyzed A
Viscosity	2850 cP	Uncatalyzed B
	15000 cP	Uncatalyzed A

Mechanical Properties	Original Value	Comments
Penetration	5.0 - 9.0 @Temperature 150 °C, Time 1190 sec	[mm], Cured

Electrical Properties	Original Value	Comments
Volume Resistivity	2.65e+16 ohm-cm
Dielectric Constant	2.82 @Frequency 1000 Hz
Dielectric Strength	19.9 kV/mm
Dissipation Factor	0.0055 @Frequency 1000 Hz

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Cure Time	30.0 min @Temperature 150 °C
	90.0 min @Temperature 25.0 °C
Gel Time	20.0 min	Catalyzed

Descriptive Properties
Color	Transparent	Uncatalyzed A
	Transparent	Uncatalyzed B

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PACC2029 / 199417

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