| Sample No. | Rate of constituent. %weigh | Drying time (hour) | |||
| Vietnam | China | No stickled dust | Not wet to touch | Hard dry | |
| 1 | 100 | 0 | 16.4 | 18.8 | >24 |
| 2 | 90 | 10 | 15.5 | 17.0 | 21.6 |
| 3 | 80 | 20 | 14.8 | 16.2 | 20.9 |
| 4 | 70 | 30 | 13.3 | 14.9 | 20.4 |
| 5 | 60 | 40 | 11.1 | 13.1 | 18.6 |
| 6 | 50 | 50 | 9.7 | 10.9 | 14.6 |
| 7 | 0 | 100 | 2.2 | 3.3 | 8.9 |