CHT Group QSil 213 Transparent, Liquid Silicone Rubber

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CHT Group QSil 213 Transparent, Liquid Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	Product Description: QSil 213 is a two-component, clear liquid silicone, which will cure at room temperature or at elevated temperatures. The chemical composition provides hydrolytic stability and reversion resistance. This product is ideal for potting complex parts because it provides electrical insulation and shock resistance. Key Features: Suitable for automatic dispensing or hand mixing Low viscosity Contains no solvents Non-yellowing catalyst system Designed for superior adhesion with use of primer Formerly Amber Chemical Co (ACC Silicones), aquired by CHT in 2017
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Physical Properties	Metric	English	Comments

Specific Gravity	1.00 g/cc	1.00 g/cc	Uncatalyzed, QSil 213B
	1.02 g/cc	1.02 g/cc	Uncatalyzed, QSil 213A
Viscosity	700 cP	700 cP	Uncatalyzed, QSil 213B
	4000 cP	4000 cP	Uncatalyzed, QSil 213A
Linear Mold Shrinkage	<= 0.0010 cm/cm	<= 0.0010 in/in	Cured 60 minutes @ 100°C

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	40	40	Cured 60 minutes @ 100°C
Tensile Strength	5.17 MPa	750 psi	Cured 60 minutes @ 100°C
Elongation at Break	100 %	100 %	Cured 60 minutes @ 100°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.70e+15 ohm-cm	1.70e+15 ohm-cm
Dielectric Constant	2.69 @Frequency 1000 Hz	2.69 @Frequency 1000 Hz
Dielectric Strength	19.7 kV/mm	500 kV/in
Dissipation Factor	0.0060 @Frequency 1000 Hz	0.0060 @Frequency 1000 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	275 µm/m-°C	153 µin/in-°F
Specific Heat Capacity	0.700 J/g-°C	0.167 BTU/lb-°F
Thermal Conductivity	0.180 W/m-K	1.25 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.406	1.406	Cured 60 minutes @ 100°C

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 100 °C	1.00 hour @Temperature 212 °F
Gel Time	240 min	240 min	Catalyzed

Descriptive Properties
Color	Clear		Uncatalyzed, QSil 213A
	Clear		Uncatalyzed, QSil 213B
	Clear, colorless		Catalyzed

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PACC2079 / 199467

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