Parker Chomerics CHO-THERM® 1646 Non-Insulating Interface Material

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Parker Chomerics CHO-THERM® 1646 Non-Insulating Interface Material
Categories:	Ceramic; Nitride; Polymer; Thermoset; Silicone
Material Notes:	Description: CHO-THERM® 1646 pads offer the best available thermal performance, without the use of grease, in applications where electrical isolation is not required. The low thermal impedance of CHO-THERM® 1646 materials approximates that of thermal grease. One-component CHO-THERM® 1646 pads eliminate the need for grease dispensing equipment or the labor-intensive application process. CHO-THERM® 1646 materials consist of boron nitride-filled silicone coated on one side of .002 in (.05 mm) aluminum foil. Acrylic pressure sensitive adhesive is on the other side of the foil. Information provided by Chomerics
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Physical Properties	Original Value	Comments

Thickness	130 microns

Mechanical Properties	Original Value	Comments
Tensile Strength	5000 psi	ASTM D412
Tear Strength	175 pli	ASTM D624
Peel Strength	0.180 kN/m	to Aluminum; ASTM D1876

Thermal Properties	Original Value	Comments
Thermal Conductivity	1.10 W/m-K	MIL-I-49456a
Maximum Service Temperature, Air	175 °C
Minimum Service Temperature, Air	-60.0 °C
Flammability, UL94	V-0

Descriptive Properties
Binder	Silicone
Carrier	Aluminum
Color	White/Silver
Filler	Boron Nitride

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PCHOME241 / 130951

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