Parker Chomerics THERM-A-GAP™ A574 Highly Conformable, Thermally Conductive Gap Filler

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Parker Chomerics THERM-A-GAP™ A574 Highly Conformable, Thermally Conductive Gap Filler
Categories:	Ceramic; Polymer; Thermoset; Silicone
Material Notes:	Composition: Ceramic-Filled-Silicone Elastomer on 5 mil Aluminum Carrier Description: The 574 Series materials provide superior thermal performance and are softer than the other THERM-A-GAP materials. Their flexible, elastic nature allows them to blanket highly uneven surfaces, drawing away and transferring heat from components such as microprocessors, video chips and power devices. A574 material consists of an extremely soft silicone elastomer loaded with ceramic particles, coated onto a 5-mil (.127 mm) aluminum carrier. Product Attributes: High thermal performance; Softest materials and Flat sheets Information provided by Chomerics
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Physical Properties	Metric	English	Comments

Specific Gravity	1.70 g/cc	1.70 g/cc	ASTM D792
Thickness	900 - 1100 microns	35.4 - 43.3 mil
	1620 - 1980 microns	63.8 - 78.0 mil
	2250 - 2750 microns	88.6 - 108 mil
	3050 - 3550 microns	120 - 140 mil
	3850 - 4350 microns	152 - 171 mil
	4850 - 5350 microns	191 - 211 mil
Deformation	8.0 % @Thickness 1.02 mm, Pressure 0.0138 MPa	8.0 % @Thickness 0.0400 in, Pressure 2.00 psi
	8.0 % @Thickness 1.78 mm, Pressure 0.0138 MPa	8.0 % @Thickness 0.0700 in, Pressure 2.00 psi
	8.0 % @Thickness 2.54 mm, Pressure 0.0138 MPa	8.0 % @Thickness 0.100 in, Pressure 2.00 psi
	8.0 % @Thickness 3.30 mm, Pressure 0.0207 MPa	8.0 % @Thickness 0.130 in, Pressure 3.00 psi
	8.0 % @Thickness 4.06 mm, Pressure 0.0138 MPa	8.0 % @Thickness 0.160 in, Pressure 2.00 psi
	8.0 % @Thickness 5.08 mm, Pressure 0.0138 MPa	8.0 % @Thickness 0.200 in, Pressure 2.00 psi
	16 % @Thickness 1.02 mm, Pressure 0.0276 MPa	16 % @Thickness 0.0400 in, Pressure 4.00 psi
	16 % @Thickness 1.78 mm, Pressure 0.0276 MPa	16 % @Thickness 0.0700 in, Pressure 4.00 psi
	16 % @Thickness 2.54 mm, Pressure 0.0276 MPa	16 % @Thickness 0.100 in, Pressure 4.00 psi
	16 % @Thickness 3.30 mm, Pressure 0.0345 MPa	16 % @Thickness 0.130 in, Pressure 5.00 psi
	16 % @Thickness 4.06 mm, Pressure 0.0345 MPa	16 % @Thickness 0.160 in, Pressure 5.00 psi
	16 % @Thickness 5.08 mm, Pressure 0.0207 MPa	16 % @Thickness 0.200 in, Pressure 3.00 psi
	24 % @Thickness 1.02 mm, Pressure 0.0517 MPa	24 % @Thickness 0.0400 in, Pressure 7.50 psi
	24 % @Thickness 1.78 mm, Pressure 0.0483 MPa	24 % @Thickness 0.0700 in, Pressure 7.00 psi
	24 % @Thickness 2.54 mm, Pressure 0.0414 MPa	24 % @Thickness 0.100 in, Pressure 6.00 psi
	24 % @Thickness 3.30 mm, Pressure 0.0621 MPa	24 % @Thickness 0.130 in, Pressure 9.00 psi
	24 % @Thickness 4.06 mm, Pressure 0.0552 MPa	24 % @Thickness 0.160 in, Pressure 8.00 psi
	24 % @Thickness 5.08 mm, Pressure 0.0414 MPa	24 % @Thickness 0.200 in, Pressure 6.00 psi
	32 % @Thickness 1.02 mm, Pressure 0.0483 MPa	32 % @Thickness 0.0400 in, Pressure 7.00 psi
	32 % @Thickness 1.78 mm, Pressure 0.0758 MPa	32 % @Thickness 0.0700 in, Pressure 11.0 psi
	32 % @Thickness 2.54 mm, Pressure 0.0758 MPa	32 % @Thickness 0.100 in, Pressure 11.0 psi
	32 % @Thickness 3.30 mm, Pressure 0.0965 MPa	32 % @Thickness 0.130 in, Pressure 14.0 psi
	32 % @Thickness 4.06 mm, Pressure 0.0965 MPa	32 % @Thickness 0.160 in, Pressure 14.0 psi
	32 % @Thickness 5.08 mm, Pressure 0.0689 MPa	32 % @Thickness 0.200 in, Pressure 10.0 psi
	40 % @Thickness 1.02 mm, Pressure 0.131 MPa	40 % @Thickness 0.0400 in, Pressure 19.0 psi
	40 % @Thickness 1.78 mm, Pressure 0.103 MPa	40 % @Thickness 0.0700 in, Pressure 15.0 psi
	40 % @Thickness 2.54 mm, Pressure 0.110 MPa	40 % @Thickness 0.100 in, Pressure 16.0 psi
	40 % @Thickness 3.30 mm, Pressure 0.117 MPa	40 % @Thickness 0.130 in, Pressure 17.0 psi
	40 % @Thickness 4.06 mm, Pressure 0.117 MPa	40 % @Thickness 0.160 in, Pressure 17.0 psi
	40 % @Thickness 5.08 mm, Pressure 0.103 MPa	40 % @Thickness 0.200 in, Pressure 15.0 psi

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	<= 5.0	<= 5.0	ASTM D2240

Thermal Properties	Metric	English	Comments
Thermal Conductivity	1.60 W/m-K	11.1 BTU-in/hr-ft²-°F	Modified ASTM D5470
Maximum Service Temperature, Air	200 °C	392 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F
Flammability, UL94	V-1 @Thickness 0.0400 mm	V-1 @Thickness 0.00157 in
	V-0 @Thickness 0.130 mm	V-0 @Thickness 0.00512 in

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month	12.0 Month	Adhesive

Descriptive Properties
Adhesive Peel Strength	16 oz/in
Color	Light Gray

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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