Parker Chomerics THERM-A-GAP 570 Thermally Conductive Gap Filler

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Parker Chomerics THERM-A-GAP 570 Thermally Conductive Gap Filler
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	THERM-A-GAP™ 570 is a highly conformal, thermally conductive gap filler pad. The materials consist of an ultra-soft silicone elastomer filled with ceramic particles. THERM-A-GAP™ elastomers are used to fill air voids between PC boards or high temperature components and heat sinks, metal enclosures, and chassis. The exceptional conformability of these advanced materials enables them to blanket highly uneven surfaces, wetting out mating surfaces in order to efficiently transfer heat away from components. Typical Applications: Telecommunications equipment; Consumer electronics; Automotive electronics (ECUs); LEDs, lighting; Power conversion; Desktop computers; laptops, servers; Handheld devices; Memory modules and Vibration dampening Product Attributes: Best for molding complex parts and vibration dampening and Lowest outgassing Information provided by Chomerics
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Physical Properties	Metric	English	Comments

Specific Gravity	2.20 g/cc	2.20 g/cc	ASTM D792
Thickness	508 - 5080 microns	20.0 - 200 mil	ASTM D374
Deformation	10 % @Thickness 3.17 mm, Pressure 0.0345 MPa	10 % @Thickness 0.125 in, Pressure 5.00 psi	0.5" diameter probe, 0.025 in/min rate; ASTM C165 MOD
	15 % @Thickness 3.17 mm, Pressure 0.0689 MPa	15 % @Thickness 0.125 in, Pressure 10.0 psi	0.5" diameter probe, 0.025 in/min rate; ASTM C165 MOD
	25 % @Thickness 3.17 mm, Pressure 0.172 MPa	25 % @Thickness 0.125 in, Pressure 25.0 psi	0.5" diameter probe, 0.025 in/min rate; ASTM C165 MOD
	25 % @Thickness 2.54 mm, Pressure 0.0689 MPa	25 % @Thickness 0.100 in, Pressure 10.0 psi	0.75" diameter round probe with 0.75" diameter circular sample; Method 2
	32 % @Thickness 2.54 mm, Pressure 0.138 MPa	32 % @Thickness 0.100 in, Pressure 20.0 psi	0.75" diameter round probe with 0.75" diameter circular sample; Method 2
	35 % @Thickness 3.17 mm, Pressure 0.345 MPa	35 % @Thickness 0.125 in, Pressure 50.0 psi	0.5" diameter probe, 0.025 in/min rate; ASTM C165 MOD
	35 % @Thickness 2.54 mm, Pressure 0.0689 MPa	35 % @Thickness 0.100 in, Pressure 10.0 psi	1" square probe with 0.5" diameter circular sample; Method 1
	40 % @Thickness 2.54 mm, Pressure 0.276 MPa	40 % @Thickness 0.100 in, Pressure 40.0 psi	0.75" diameter round probe with 0.75" diameter circular sample; Method 2
	42 % @Thickness 2.54 mm, Pressure 0.138 MPa	42 % @Thickness 0.100 in, Pressure 20.0 psi	1" square probe with 0.5" diameter circular sample; Method 1
	48 % @Thickness 2.54 mm, Pressure 0.276 MPa	48 % @Thickness 0.100 in, Pressure 40.0 psi	1" square probe with 0.5" diameter circular sample; Method 1
	48 % @Thickness 2.54 mm, Pressure 0.414 MPa	48 % @Thickness 0.100 in, Pressure 60.0 psi	0.75" diameter round probe with 0.75" diameter circular sample; Method 2
Outgassing - Total Mass Loss	0.35 %	0.35 %	TML; ASTM E595
Collected Volatile Condensable Material	0.090 %	0.090 %	ASTM E595

Mechanical Properties	Metric	English	Comments
Hardness, Shore OO	25	25	ASTM D2240

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	ASTM D257
Dielectric Constant	6.5 @Frequency 1e+6 Hz	6.5 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	7.87 kV/mm	200 kV/in
Dissipation Factor	0.013 @Frequency 1e+6 Hz	0.013 @Frequency 1e+6 Hz	Chomerics Test

Thermal Properties	Metric	English	Comments
CTE, linear	250 µm/m-°C	139 µin/in-°F	ASTM E831
Specific Heat Capacity	1.00 J/g-°C	0.239 BTU/lb-°F	ASTM E1269
Thermal Conductivity	1.50 W/m-K	10.4 BTU-in/hr-ft²-°F	ASTM D5470
Maximum Service Temperature, Air	200 °C	392 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F
Flammability, UL94	V-0	V-0

Processing Properties	Metric	English	Comments
Shelf Life	18.0 Month	18.0 Month	From date of shipment A; Chomerics
	24.0 Month	24.0 Month	From date of shipment G; Chomerics

Descriptive Properties
Carrier	G=Fiberglass, A=Aluminum
Color	Blue

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCHOME000 / 28222

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