CHT SE3000 Silicone elastomer

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CHT SE3000 Silicone elastomer
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Description: This is a 2-component, silicone elastomer system specially designed for electronic potting and encapsulation applications. It offers good protection against chemicals, environmental contamination, mechanical shock, vibration and impact damage. It can be employed in areas where low flammability is a prerequisite. The cured elastomer can be repaired. The component parts have relatively low viscosities and are readily mixed either by hand or machine. Key Features Thermally conductive Low Viscosity Low Volatility UL94V-0 APPROVED FILE NO. E334038 Cured Product: 7 days at 23+/-2°C and 50+/-5% humidity Information provided by CHT Group
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Physical Properties	Original Value	Comments

Density	2.20 g/cc	BS ISO 2781
Brookfield Viscosity	1900 cP	B
	1950 cP	Mixed
	2000 cP	A
Linear Mold Shrinkage	0.00030 cm/cm
Storage Temperature	<= 30.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	40	ASTM D2240-95
Tensile Strength	117 psi	ISO 37
Elongation at Break	30 %	ISO 37
Tensile Modulus	722 psi	Young's
Tear Strength	26.0 pli	ISO 34-1

Electrical Properties	Original Value	Comments
Volume Resistivity	1.80e+14 ohm-cm	ASTM D-257
Dielectric Constant	4.53 @Frequency 1000 Hz	ASTM D-150
Dielectric Strength	356 V/mil	ASTM D-149
Dissipation Factor	0.0107	ASTM D-150

Thermal Properties	Original Value	Comments
CTE, linear	134 µm/m-°C
Thermal Conductivity	1.20 W/m-K
Maximum Service Temperature, Air	250 °C
Minimum Service Temperature, Air	-70.0 °C
Flammability, UL94	V-0

Processing Properties	Original Value	Comments
Cure Time	4.00 hour @Temperature 25.0 °C
	6.00 min @Temperature 100 °C
Pot Life	50.0 min
Shelf Life	12.0 Month

Descriptive Properties
Appearance	Addition
Color	Light grey	A
	Orange	B
	Orange	Cured Product
Rheology	Liquid
Self Bonding	No
Volatile Content	<300 ppm
Volume Coefficient of Thermal Expansion	402 ppm/°C

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PCHTSIL063 / 314546

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