| Specimen No. | Compositions | Weight |
| ① | Bentonite Only | 2 g |
| ② | Fly Ash (Raw) | 2 g |
| ③ | Fly Ash (Crushing) | 2 g |
| ④ | Bentonite: Fly Ash (Raw) = 1:1 | 1 g, 1 g |
| ⑤ | Bentonite: Fly Ash (Crushing) = 1:1 | 1 g, 1 g |