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Master Bond adhesives

NeoGraf eGRAF® HITHERM™ HT-1205 Graphite
Categories: Carbon; Graphite

Material Notes: Made from natural graphite, eGRAF® HITHERM™ thermal interface materials are designed for use in applications requiring low contact resistance and high thermal conductivity. HITHERM™ material is offered in a variety of through thickness thermal conductivities, available in roll or die-cut form and can be laminated with plastics and adhesives. An economical thermal interface material, HITHERM™ products will not dry out and no outgassing occurs under vacuum conditions. The conformability of HITHERM™ materials optimizes thermal properties, ensures excellent contact, and is maintained for the life of the assembly. Typical applications include thermal interfaces, chip burn-in, chip testing fixtures, DC-to-DC converters, CPU modules, microprocessors, and hot and cold plates.

Formerly a product of GrafTech.

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Physical PropertiesMetricEnglishComments
Thickness 127 microns5.00 mil
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 1.80 MPa261 psiASTM-F152
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00100 ohm-cm0.00100 ohm-cmIn-Plane
 1.50 ohm-cm1.50 ohm-cmThrough Thickness
 
Thermal PropertiesMetricEnglishComments
CTE, linear -0.400 µm/m-°C-0.222 µin/in-°FIn-Plane
 27.0 µm/m-°C15.0 µin/in-°FThrough Thickness
Specific Heat Capacity 0.711 J/g-°C0.170 BTU/lb-°F
Thermal Conductivity 10.0 W/m-K69.4 BTU-in/hr-ft²-°FThrough Thickness; ASTM-D5470 Modified (at 110kPa/16 psi/1.1 bar)
 150 W/m-K1040 BTU-in/hr-ft²-°FIn-Plane; Angstrom's Method
Maximum Service Temperature, Air 400 °C752 °F
Minimum Service Temperature, Air -40.0 °C-40.0 °F
Flammability, UL94 V-0V-0
 
Descriptive Properties
Thermal Contact Impedance - Per Side (°C·cm²/W)0.1at 700 kPa/100 psi/6.9 bar
 0.32at 100 kPa/14.5 psi/1 bar

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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CGRAF917 / 107321

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