Raw Materials
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Limestone
Specifications
Typical Specification of Imported Lime Stone
| Chemistry | % age |
|---|---|
| CaO | 54.00% Min |
| Mgo | 1.00% Max |
| SiO2 | 0.50% Max |
| Al2O3 | 0.50% Max |
| Total Alkali (Na2O + K2O) | 0.30% Max |
| Size | 10 - 30 mm |
| Size | 40 - 90 mm |
Dolomite
Specifications
Typical Specification of Imported Dolomite
| Chemistry | % age |
|---|---|
| CaO | 30.00% Min |
| Mgo | 20.00% Min |
| SiO2 | 0.50% Max |
| Al2O3 | 0.50% Max |
| Phosphorus | 0.010% Max |
| Sulphur | 0.010% Max |
| Moisture | 2.00% Max |
| Total Alkali (Na2O + K2O) | 0.30% Max |
| LoI | 45% Max |
| Unburnt | 5% Max |
| Size | 10 - 30 mm |
| Size | 40 - 90 mm |
Construction Stone
Specifications
Typical Specification of Imported Construction Stone
| Chemistry | % age |
|---|---|
| Aggregate Crushing Value | 25.00% Max |
| Ten Percent Finer Value | 150 KN Min |
| LA Abrasion Value | 30.00% Max |
| Soundness | 10.0% Max |
| Water Absorption | 2.0% Max |
| Flakiness Index | 25.00% Max |
| Elongation Index | 25.00% Max |
| Specific Gravity | 2.60% Min |
| Size as per ASTM | C-33 no. 67 |
Gypsum
Specifications
Typical Specification of Imported Gypsum
| Chemistry | % age |
|---|---|
| CaSO4.2H2O (DB) | 93.00% Min |
| Moisture | 3.00% Max |
| Size | 0 - 55 mm |
| Size | 0 - 150 mm |
Anhydrate
Specifications
Typical Specification of Imported Anhydrate
| Chemistry | % age |
|---|---|
| CaSO4 | 95.00% Min |
| Moisture | 3.00% Max |
| Size | 0 - 55 mm |
| Size | 0 - 150 mm |
Serpentine
Specifications
Typical Specification of Imported Serpentine
| Chemistry | % age |
|---|---|
| CaO | 0.03% |
| Mgo | 45.59% |
| SiO2 | 45.37% |
| Al2O3 | 0.96% |
| Fe2O3 | 7.07% |
| Size | 10-30 mm |
| Size | 10 - 70 mm |
Quick Lime
Specifications
Typical Specification of Imported Quick Lime
| Chemistry | % age |
|---|---|
| CaO | 92.00% Min |
| Mgo | 1.50% Max |
| SiO2 | 0.50% Max |
| Al2O3 | 0.50% Max |
| Fe2O3 | 0.50% Max |
| Sulphur | 0.090% Max |
| Total Alkali (Na2O + K2O) | 0.05% Max |
| LoI | 3% Max |
| Size | 10 - 70 mm |
Hydrate Lime
Specifications
Typical Specification of Imported Hydrate Lime
| Chemistry | % age |
|---|---|
| CaO | 70.00% Min |
| Mgo | 1.00% Max |
| SiO2 | 1.00% Max |
| Al2O3 | 0.50% Max |
| Fe2O3 | 0.50% Max |
| Size | 200 mesh |
| Size | 325 mesh |
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 C188 | 13 MAX | 15 MAX |
Calcined Lime
Specifications
Typical Specification of Imported Calcined Lime
| Chemistry | % age |
|---|---|
| Iron | 1.00% - 5.00% |
| Magnesium Oxide | .10% - 1.50% |
| Calcium Oxide | 55% - 75% |
| Volatile Matter | 15% - 35% |
| Silicon Oxide | .5% - 3.5% |
| Aluminum Oxide | .01%-1.5% |
Burnt Dolomite
Specifications
Typical Specification of Imported Burnt Dolomite
| Chemistry | % age |
|---|---|
| CaO | 52.00% Min |
| Mgo | 30 - 35% Min |
| Unburnt | 5.00% Max |
| Size | 20 - 60 mm |
Burnt Shredded Scrap
Specifications
Typical Specification of Imported Burnt Shredded Scrap
| Chemistry | % age |
|---|---|
| Loss on ignition | 3.5% |
| Cu | 35% |
| Cr | 20% |
| Ni | 20% |
| Mo | 05% |
| Sn | 02% |
| P | 04% |
HMS Scrap
Specifications
Typical Specification of Imported HMS Scrap
| Chemistry | % age |
|---|---|
| Loss on ignition | 3.5% |
| fe | 91% |
| C | 1.2% |
| S | .02% |
| P | .07% |
| Gangue | 4.8% |
| Fines | < 1% |
HBI Scrap
Specifications
Typical Specification of Imported HBI Scrap
| Chemistry | % age |
|---|---|
| fe total | 90% |
| fe Metallic | 84.5% |
| S | .005% |
| P | .07% |
| Gangue | .07% |
| Gangue | 5.5% |
| Moisture | 1% |
