| Materials | Temp (23˚C) | Deff (m2/s) | Ref | |
| Initial phase | Final phase | |||
| Coconut shell Specie 1 |
| 1.10 ± 0.23 × 10−10 | 1.90 ± 0.35 × 10−12 | [8] |
| Coconut shell Specie 2 |
| 1.04 ± 0.21 × 10−10 | 2.08 ± 0.31 × 10−12 | |
| Afra wood |
| 1.38 × 10−3 | [8] [11] [12] | |
| Ojamlesh wood |
| 3.71 × 10−4 | ||
| Roosi wood |
| 4.88 × 10−4 | ||
| Date pits |
| 9.98 × 10−12 | [12] [13] | |
| Rice grain |
| 7 × 10−10 | [8] | |
| Pasta |
| 5.69 × 10−11 | 4.20 × 10−11 | [12] |
| Raphia vinifera fibre |
| (7.12 × 10−11 - 2.36 × 10−10) | (2.87 × 10−14 - 6.73 × 10−14) | [14] |
| Okra fibre |
| 5.40 × 10−10 | [8] - [15] | |
| Betel nut fibre |
| 2.80 × 10−10 | [16] | |
| Jute fiber |
| 2.33 × 10−12 | 2.30 × 10−13 | [8] - [15] |
| flax fiber |
| 2.11 × 10−12 | 2.11 × 10−13 | |
| fiber of sisal |
| 4.00 × 10−12 | 4.38 × 10−13 | |
| PKS Tombel |
| 5.19 × 10−8 | Present work | |
| PKS Bafang |
| 7.90 × 10−9 | ||