| Chemical component (%) | Kapok | Balsa |
|---|---|---|
| Moisture content | 11.23 ± 0.08 | 11.45 ± 0.16 |
| Solubility | ||
| a. Cold water | 2.70 ± 0.38 | 3.21 ± 0.07 |
| b. Hot water | 4.42 ± 0.12 | 6.04 ± 2.42 |
| c. NaOH 1% | 30.20 ± 0.72 | 26.02 ± 0.92 |
| Holocellulose | 83.73 ± 0.49 | 81.97 ± 0.63 |
| α-cellulose | 38.09 ± 0.61 | 44.62 ± 1.05 |
| Lignin | 14.10 ± 0.84 | 16.60 ± 0.49 |
| Ash | 1.05 ± 0.04 | 0.94 ± 0.03 |
| Silica | 0.45 ± 0.03 | 0.49 ± 0.13 |
| Wax content | 2.34 ± 0.06 | 2.29 ± 0.11 |