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to Properties of carbon materials
(submitted by the website administration)
| Graphite foil | ||||
| Chemical composition: carbon (C), ash 0.5% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Bulk density | 0.5-1.1*10³ | kg/m³ | 31-69 | lb/ft³ |
|---|---|---|---|---|
| Thickness | 0.2-1.0 | mm | 8-40*10-3 | inch |
| Permeability | 1.3*10-10 | m²/s | 2*10-7 | in²/s |
| Tensile strength | 5.1 | MPa | 740 | psi |
| Compression rate | 47 | % | 47 | % |
| Recovery rate | 15 | % | 15 | % |
| Stress release rate | 1.0 | % | 1.0 | % |
| Thermal expansion PS | 5*10-6 | ºCˉ¹ | 2.8*10-6 | in/(in* ºF) |
| Thermal expansion AS | 200*10-6 | ºCˉ¹ | 111*10-6 | in/(in* ºF) |
| Thermal conductivity PS | 200 | W/(m*K) | 1400 | BTU*in/(hr*ft²*ºF) |
| Thermal conductivity AS | 5 | W/(m*K) | 35 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity PS | 7*10-6 | Ohm*m | 7*10-4 | Ohm*cm |
| Electric resistivity AS | 1000*10-6 | Ohm*m | 1000*10-4 | Ohm*cm |
| Work temperature | 200-3200 | ºC | 390-5790 | ºF |
| Oxidation temperature | 850 | ºC | 1562 | ºF |
PS - parallel to the surface
AS - across the surface
Applications: packing, heat resistant gaskets.