S. No | Fibre | Without | Salt | Sodium bi carbonate | Oxalic acid | Tannic acid | Ferrous (FAS) | Tin | Alum | Tamarind |
---|---|---|---|---|---|---|---|---|---|---|
1 | Palm leaf | 2-3 | 3-4 | 2-3 | 3-4 | 3-4 | 4-5 | 3-4 | 3-4 | 3-4 |
2 | Korai | 2-3 | 2-3 | 3-4 | 2-3 | 2-3 | 3-4 | 1-2 | 2-3 | 2-3 |
3 | Banana | 3-4 | 2-3 | 2-3 | 3-4 | 3-4 | 4-5 | 4-5 | 4-5 | 3-4 |
4 | Screw pine | 2-3 | 2-3 | 3-4 | 2-3 | 2-3 | 3-4 | 2-3 | 3-4 | 3-4 |
5 | Sisal | 2-3 | 3-4 | 2-3 | 4-5 | 3-4 | 3-4 | 3-4 | 3-4 | 2-3 |
6 | Pineapple | 3-4 | 2-3 | 2-3 | 3-4 | 1-2 | 2-3 | 4-5 | 3-4 | 3-4 |