High carbon high density graphite sheet:
Based on the normal graphite sheet, Dasen use thicker PI film to control the expansion process to improve the density and carbon content.
And then the thermal conductivity is higher than the normal graphite foil.
Thermal comparison of normal graphite sheet and HCD graphite sheet
| Sample | Duration | 0Min | 5Min | 10Min | 15Min | 20Min |
| 70U（HCD） ∆T=7.0 |
Infrared imaging |  |
 |
 |
 |
 |
| T0(Heat source) | 25.63 | 53.45 | 60.5 | 63.63 | 65.45 | |
| T1 | 30.0 | 41.5 | 43.9 | 45.5 | 45.7 | |
| T2 | 29.7 | 35.2 | 37.2 | 38.7 | 38.7 | |
| 70U(Normal) ∆T=8.6 |
Infrared imaging |  |
 |
 |
 |
 |
| T0(Heat source) | 26.05 | 57.66 | 64.32 | 67.17 | 68.69 | |
| T1 | 30.20 | 44.20 | 47.50 | 48.30 | 48.40 | |
| T2 | 30.30 | 36.80 | 39.40 | 39.90 | 39.80 |
