Sample No. | F/U | Formaldehyde content (%) | Solids content (%) | Formaldehyde content after 30 days (%) |
T1 | 2.0 | 10.52 | 46.0 | 2.83 |
T2 | 1.8 | 4.91 | 45.8 | 1.52 |
T3 | 1.6 | 3.32 | 44.0 | 0.45 |
T4 | 1.4 | 2.94 | 39.3 | 0.33 |