| Chemical composition | Soma Fly Ash F | Yatagan Fly Ash F | Afşin Elbistan Fly Ash F |
| SiO2 (S) | 41.14 | 51.05 | 22.4 |
| Al2O3 (A) | 16.12 | 21.69 | 9.1 |
| Fe2O3 (F) | 4.34 | 5.94 | 4.96 |
| CS + CAF | 64. 6 | 78.0 | 84.2 |
| CaO | 30.6 | 11.60 | 54.7 |
| MgO | 1.3 | 2.2 | 3.1 |
| K2O | 1.15 | 2.1 | 0.7 |
| Na2O | 1.29 | 2.56 | 0.250 |
| Loss of ignition | 0.34 | 0.90 | 4.22 |
| SO3 | 3.43 | 1.45 | 2.4 |
| Density (g/cm3) | 2.22 | 2.12 | 2.0 |
| Loose unit weight (g/cm3) | 0.72 | 0.88 | 0.69 |