Von Roll Isola IMI Transtherm® T 400-7 Silicone Elastomer, Fiberglass Reinforced, Aluminum Oxide Filled, for Thermal Management

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Von Roll Isola IMI Transtherm® T 400-7 Silicone Elastomer, Fiberglass Reinforced, Aluminum Oxide Filled, for Thermal Management
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone; Silicone Elastomer, for Thermal Management
Material Notes:	Data provided by Von Roll Isola USA. Transtherm thermal management products are used as an interface between a heat generating device and the heat sink to minimize thermal resistance and to provide electrical insulation.
Key Words:	Al2O3; Aluminium Oxide, Von Roll Isola USA; Insulating Materials Incorporated
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Physical Properties	Metric	English	Comments

Density	2.10 g/cc	0.0759 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	85	85	ASTM D2240
Tensile Strength, Ultimate	97.0 MPa	14100 psi	ASTM D828
Elongation at Break	2.0 - 4.0 %	2.0 - 4.0 %	ASTM D828
Tear Strength Test	180	180	lb (force) Cut-Through Resistance; IMI Test

Electrical Properties	Metric	English	Comments
Electrical Resistivity	2.00e+15 ohm-cm	2.00e+15 ohm-cm	ASTM D257
Dielectric Constant	2.15 @Frequency 1e+6 Hz	2.15 @Frequency 1e+6 Hz	ASTM D150
	2.19 @Frequency 60 Hz	2.19 @Frequency 60 Hz	ASTM D150
Dielectric Strength	22.0 kV/mm	559 kV/in	Dry, ASTM D149
Dissipation Factor	0.0011 @Frequency 60 Hz	0.0011 @Frequency 60 Hz	ASTM D150
	0.0011 @Frequency 1000 Hz	0.0011 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.900 W/m-K	6.25 BTU-in/hr-ft²-°F	typical TO-3 test value per MIL-I-49546A
Maximum Service Temperature, Air	180 °C	356 °F	Continuous use temperature per MIL-I-49546A

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PISO31 / 48434

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