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Shielding effectiveness of tested samples with colloidal graphite.
| Graphite Content by Volume (%) | Layer Thickness (mm) | Shielding Effectiveness (dB) | |
|---|---|---|---|
| 1.0 GHz | 1.5 GHz | ||
| 0 | 4.36 | 4.00 | 2.42 |
| 0.46 | 4.37 | 10.31 | 12.34 |
| 0.92 | 4.40 | 22.31 | 25.61 |
| coating | 0.34 | 14.26 | 15.33 |
