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	Original Value	Comments

Specific Gravity	1.70 g/cc	ASTM D792
Thickness	900 - 1100 microns
	1620 - 1980 microns
	2250 - 2750 microns
	3050 - 3550 microns
	3850 - 4350 microns
	4850 - 5350 microns
Deformation	8.0 % @Thickness 1.02 mm, Pressure 0.0138 MPa
	8.0 % @Thickness 1.78 mm, Pressure 0.0138 MPa
	8.0 % @Thickness 2.54 mm, Pressure 0.0138 MPa
	8.0 % @Thickness 3.30 mm, Pressure 0.0207 MPa
	8.0 % @Thickness 4.06 mm, Pressure 0.0138 MPa
	8.0 % @Thickness 5.08 mm, Pressure 0.0138 MPa
	16 % @Thickness 1.02 mm, Pressure 0.0276 MPa
	16 % @Thickness 1.78 mm, Pressure 0.0276 MPa
	16 % @Thickness 2.54 mm, Pressure 0.0276 MPa
	16 % @Thickness 3.30 mm, Pressure 0.0345 MPa
	16 % @Thickness 4.06 mm, Pressure 0.0345 MPa
	16 % @Thickness 5.08 mm, Pressure 0.0207 MPa
	24 % @Thickness 1.02 mm, Pressure 0.0517 MPa
	24 % @Thickness 1.78 mm, Pressure 0.0483 MPa
	24 % @Thickness 2.54 mm, Pressure 0.0414 MPa
	24 % @Thickness 3.30 mm, Pressure 0.0621 MPa
	24 % @Thickness 4.06 mm, Pressure 0.0552 MPa
	24 % @Thickness 5.08 mm, Pressure 0.0414 MPa
	32 % @Thickness 1.02 mm, Pressure 0.0483 MPa
	32 % @Thickness 1.78 mm, Pressure 0.0758 MPa
	32 % @Thickness 2.54 mm, Pressure 0.0758 MPa
	32 % @Thickness 3.30 mm, Pressure 0.0965 MPa
	32 % @Thickness 4.06 mm, Pressure 0.0965 MPa
	32 % @Thickness 5.08 mm, Pressure 0.0689 MPa
	40 % @Thickness 1.02 mm, Pressure 0.131 MPa
	40 % @Thickness 1.78 mm, Pressure 0.103 MPa
	40 % @Thickness 2.54 mm, Pressure 0.110 MPa
	40 % @Thickness 3.30 mm, Pressure 0.117 MPa
	40 % @Thickness 4.06 mm, Pressure 0.117 MPa
	40 % @Thickness 5.08 mm, Pressure 0.103 MPa

Mechanical Properties	Original Value	Comments
Hardness, Shore A	<= 5.0	ASTM D2240

Thermal Properties	Original Value	Comments
Thermal Conductivity	1.60 W/m-K	Modified ASTM D5470
Maximum Service Temperature, Air	200 °C
Minimum Service Temperature, Air	-55.0 °C
Flammability, UL94	V-1 @Thickness 0.0400 mm
	V-0 @Thickness 0.130 mm

Processing Properties	Original Value	Comments
Shelf Life	12.0 Month	Adhesive

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

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