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| FLY ASH (CLASS F) | |
|---|---|
| STANDARD | ASTM C-618 |
| SiO2 + Al2O3 + Fe2O3 | 70% Min |
| +45 Microns | 34% Max |
| LOI | 6% Max |
| Moisture | 3% Max |
| SO3 | 4% Max |
| CaO | 2% Max |
| MgO | 5% Max |
| Total Chlorides | 0.5% Max |
| Na2O | 1% Max |
| Free SiO2 | 50% Max |
| Strength Activity Index (N/mm2) With Portland Cement at 7 Days Min | 75% Min |
| Water requirement (% of control) | 105% Max |
| Soundness (Autoclave) mm | 0.8% Max |
ANALYSIS – FLY ASH (CLASS F) – ASTM C-618
| Sl No | Parameters | Results (%) | Actuals | Standards |
|---|---|---|---|---|
| 1 | SiO2 + Al2O3 + Fe2O3 | 92.77 | 90% Min | ASTM C – 618 |
| 2 | SiO2 | 60.52 | 60% Min | ASTM C – 618 |
| 3 | LOI (at 750OC) | 0.41 | 3% Max | ASTM C – 618 |
| 4 | +45 Microns | 28.17 | 34% Max | ASTM C – 618 |
| 5 | CaO | 0.46 | 2% Max | ASTM C – 618 |
| 6 | MgO | 0.59 | 2% Max | ASTM C – 618 |
| 7 | Na2O3 | 0.51 | 1% Max | ASTM C – 618 |
| 8 | SO3 | 0.092 | 3% Max | ASTM C – 618 |
| 9 | Strength Activity Index (N/mm2) With Portland Cement at 7 Days Min | 94.00 | 75% Min | ASTM C – 618 |
| 10 | Water requirement (% of control) | 102.90 | 105% Max | ASTM C – 618 |
| 11 | Soundness (Autoclave) mm | 0.014 | 0.8% Max | ASTM C – 618 |
ANALYSIS – FLY ASH (CLASS F) – BS 3892
| Sl No | Parameters | Results (%) | Actuals | Standards |
|---|---|---|---|---|
| 1 | SiO2 + Al2O3 + Fe2O3 | 92.77 | 90% Min | BS 3892 |
| 2 | SiO2 | 60.52 | 60% Min | BS 3892 |
| 3 | LOI (at 750OC) | 0.41 | 3% Max | BS 3892 |
| 4 | +45 Microns | 12.00% | 12% Max | BS 3892 |
| 5 | CaO | 0.46 | 2% Max | BS 3892 |
| 6 | MgO | 0.59 | 2% Max | BS 3892 |
| 7 | Na2O3 | 0.51 | 1% Max | BS 3892 |
| 8 | SO3 | 0.092 | 3% Max | BS 3892 |
| 9 | Strength Activity Index (N/mm2) With Portland Cement at 7 Days Min | 94.00 | 75% Min | BS 3892 |
| 10 | Water requirement (% of control) | 102.90 | 105% Max | BS 3892 |
| 11 | Soundness (Autoclave) mm | 0.014 | 0.8% Max | BS 3892 |
