Thermal Conductive Flexible Graphite Sheet
Flexible Thermal Graphite Sheet
Key properties
1.Excellent thermal conductivity:600 to 1900 W/m.k
(2 to 4 times as high as copper,3 to 6 time as high as aluminum)
2.Light weight: Specific gravity:0.85 to 2.17 g/cm3
(1/4 to 1/10 of copper,1/1.3 to 1/3 of aluminum in density)
3.Flexible and easy to be cut or trimmed(withstands repeated bending)
Applications
1.Cellular phone,DVC,DSC,PC and peripherals,pickup
2.Semiconductor manufacturing equipment
(Sputtering,Dry etching,Steppers)
3.Optical communications equipment
The graphite sheet is widely used in LED line.
Physical properties
|
Model Parameter |
GSH-12 |
GSH-17 |
GSH-25 |
GSH-70 |
GSH-100 |
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|
Thickness (mm) |
0.012±0.005 |
0.017±0.005 |
0.025±0.005 |
0.07±0.01 |
0.1±0.01 |
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|
Thermal conductivity W/m.k |
X.Y Direction |
1800 to 1900 |
1700 to 1800 |
1500 to 1600 |
700 to 900 |
600 to 800 |
|
|
Z Direction |
15 |
15 |
15 |
15 |
15 |
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|
Thermal diffusivity (cm2/s) |
9 to 10 |
9 to 10 |
9 to 10 |
9 to 10 |
9 to 10 |
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|
Specific gravity (g/cm3) |
2.17 |
2.13 |
2.1 |
1.08 |
0.85 |
||
|
Specific heat (50°C)(J/gk) |
0.85 |
0.85 |
0.85 |
0.85 |
0.85 |
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|
Thermal resistance(°C) |
400 |
400 |
400 |
400 |
400 |
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|
Extensional strength (Mpa) |
X.Y Direction |
45 |
39 |
28 |
20 |
19.2 |
|
|
Z Direction |
0.1 |
0.1 |
0.4 |
0.4 |
0.65 |
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|
Bending test (Times) (R5/180°) |
>10,000 |
>10,000 |
>10,000 |
>10,000 |
>10,000 |
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|
Electrical conductivity (S/cm) |
20000 |
20000 |
20000 |
96000 |
96000 |
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