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GrafTech eGRAF® HITHERM™ HT-2505 Graphite with Polymer Additive

Category Carbon , Graphite
Manufacturer GrafTech International
Trade Name eGRAF® HITHERM™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF GrafTech eGRAF® HITHERM™ HT-2505 Graphite with Polymer Additive.pdf
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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.
Physical Properties Metric English Comments
Thickness 127 microns
5.00 mil
Mechanical Properties Metric English Comments
Tensile Strength at Break 1.40 MPa
203 psi
ASTM-F152
Thermal Properties Metric English Comments
CTE, linear -0.400 µm/m-°C
-0.222 µin/in-°F
In-Plane
27.0 µm/m-°C
15.0 µin/in-°F
Through Thickness
Specific Heat Capacity 0.711 J/g-°C
0.170 BTU/lb-°F
Thermal Conductivity 16.0 W/m-K
111 BTU-in/hr-ft²-°F
Through Thickness; ASTM-D5470 Modified (at 110kPa/16 psi/1.1 bar)
120 W/m-K
833 BTU-in/hr-ft²-°F
In-Plane; Angstrom's Method
Maximum Service Temperature, Air 125 °C
257 °F
Minimum Service Temperature, Air -25.0 °C
-13.0 °F
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Electrical Resistivity 0.00100 ohm-cm
0.00100 ohm-cm
In-Plane
1.50 ohm-cm
1.50 ohm-cm
Through Thickness
Descriptive Properties Value Comments
Thermal Contact Impedance - Per Side (°C·cm²/W) 0.07
at 700 kPa/100 psi/6.9 bar
0.19
at 100 kPa/14.5 psi/1 bar
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