Raw Materials
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Clinker
Specifications
Typical Specification of Imported Clinker
| VIETNAM | IRAN | |||
|---|---|---|---|---|
| ITEMS | UNIT | TEST METHOD | TYPICAL | TYPICAL |
| CHEMICAL PROPERTIES – | ||||
| Calcium Oxide (CaO) | % | ASTM C114 | 64.5 MIN | 65 MIN |
| Silicon Oxide (SiO2) | % | ASTM C114 | 20.5 – 22.5 | 20.5 MIN |
| Aluminum Oxide (Al2O3) | % | ASTM C114 | 4.5 – 6.0 | 5.5 MAX |
| Ferric Oxide (Fe2O3) | % | ASTM C114 | 2.5 – 4.0 | 5 MAX |
| Magnesium Oxide (MgO) | % | ASTM C114 | 4 MAX | 2 MAX |
| Free Lime (f-CaO) | % | ASTM C114 | 1.5 MAX | 1.9 MAX |
| Sulphur Trioxide (SO3) | % | ASTM C114 | 1.0 MAX | 0.8 MAX |
| Insoluble Residue (IR) | % | ASTM C114 | 1.0 MAX | 0.5 MAX |
| Lime Saturation Factor (LSF) | % | By calculated | 92 MIN | 92 MIN |
| Tricalcium Silicate (C3S) | % | ASTM C150 | 55 MIN | 57 MIN |
| Dicalcium Silicate (C2S) | % | ASTM C150 | 22 MAX | 24 MAX |
| Tricalcium Aluminate (C3A) | % | ASTM C150 | 12 MAX | 7.5 MAX |
| Loss on Ignition (LOI) | % | ASTM C114 | 1.0 MAX | 1.0 MAX |
| Total Alkalis | % | ASTM C114 | 0.8 MAX | 1.3 MAX |
| PARTICLE SIZE – | ||||
| >25MM | % | BY SIEVE | 10 MAX | |
| 5MM – 25MM | % | BY SIEVE | 40 MIN. | |
| <5MM | % | BY SIEVE | 25 MAX | |
| LITER WEIGHT | G/L | ASTM C188 | ||
| C4AF (Tetracalcium Alumino Ferrite) | % | ASTM C150 | 13 MAX | 15 MAX |
