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GrafTech eGRAF® SPREADERSHIELD™ SS400 Graphite

Category Carbon , Graphite
Manufacturer GrafTech International
Trade Name eGRAF® SPREADERSHIELD™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF GrafTech eGRAF® SPREADERSHIELD™ SS400 Graphite.pdf
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Material Notes:
Made from flexible graphite, eGRAF® SPREADERSHIELD™ products function as both a passive heat spreader and heat shield. SPREADERSHIELD™ material can be die-cut, press-formed, or laminated with plastics, metals, adhesives, and other materials. Every SPREADERSHIELD™ part is customized to meet specific application needs and improve thermal performance within a limited space and weight. SPREADERSHIELD™ products have provided thermal solutions in a variety of industries and applications, including displays (PDP, LCD CCFL, LED BLU, OLED), cell phones, laptop and ruggedized computers, handheld gaming devices, batteries, projectors, set-top boxes, and automotive electronics. Each application is specialized to require different characteristics of SPREADERSHIELD™ products. Grade SS400 is designed specifically for large displays, notebook PCs, and handsets.
Physical Properties Metric English Comments
Thickness 51.0 microns
2.01 mil
Standard
76.0 microns
2.99 mil
Standard
127 microns
5.00 mil
Standard
250 microns
9.84 mil
Standard
380 microns
15.0 mil
Standard
430 microns
16.9 mil
Standard
510 microns
20.1 mil
Standard
50.0 - 1000 microns
1.97 - 39.4 mil
Available Range
940 microns
37.0 mil
Standard
Mechanical Properties Metric English Comments
Tensile Strength at Break 9.70 MPa
1410 psi
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-Plane
Specific Heat Capacity 0.700 J/g-°C
0.167 BTU/lb-°F
Thermal Conductivity 3.70 W/m-K
25.7 BTU-in/hr-ft²-°F
Nominal, Through-Plane; ASTM-D5470 Modified Method
400 W/m-K
2780 BTU-in/hr-ft²-°F
Nominal, In-Plane; Angstrom's Method
Maximum Service Temperature, Air 400 °C
752 °F
Minimum Service Temperature, Air -40.0 °C
-40.0 °F
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Electrical Resistivity 0.000520 ohm-cm
0.000520 ohm-cm
In-Plane
0.0556 ohm-cm
0.0556 ohm-cm
Through-Plane
Descriptive Properties Value Comments
Thermal Contact Impedance - Per Side (°C·cm²/W) 0.38
at 0.50 mm spreader thickness
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