Table 5.
Chemical composition of selected fibers.
| Fibers | Chemical Compositions (wt.%) * | |||
|---|---|---|---|---|
| Cellulose | Hemicellulose | Lignin | Pectin | |
| Abaca | 62.5 | 21 | 12 | 0.8 |
| Alfa | 45.4 | 38.5 | 14.9 | - |
| Bagasse | 37 | 21 | 22 | 10 |
| Banana | 62.5 | 12.5 | 7.5 | 4 |
| Bamboo | 34.5 | 20.5 | 26 | - |
| Coir | 46 | 0.3 | 45 | 4 |
| Cotton | 89 | 4 | 0.75 | 6 |
| Curaua | 73.6 | 5 | 7.5 | - |
| Flax | 70.5 | 16.5 | 2.5 | 0.9 |
| Hemp | 81 | 20 | 4 | 0.9 |
| Henequen | 60 | 28 | 8 | - |
| Isora | 74 | - | 23 | - |
| Jute | 67 | 16 | 9 | 0.2 |
| Kapok | 13.16 | - | - | - |
| Kenaf | 53.5 | 21 | 17 | 2 |
| Nettle | 86 | 10 | - | - |
| Phormium | 67 | 30 | 11 | - |
| Piassava | 28.6 | 25.8 | 45 | - |
| Pineapple | 80.5 | 17.5 | 8.3 | 4 |
| Ramie | 72 | 14 | 0.8 | 1.95 |
| Sisal | 60 | 11.5 | 8 | 1.2 |
* Note that the total composition in some fibers may not add up to 100% due to presence of pectin, lignin and waxes, which may exist in negligible amount and can be considered as zero.