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Coal Product
SMC is the largest producer of sub-bituminous coal in the Philippines. Coal produced by SMC has a heating value ranging from 8,600 to 10,450 BTU/lb. Other typical parameters include moisture ranging from 11-15 %, ash content between 5 - 10 %, and sulfur content ranging from 0.3 – 0.9 %. These specifications make Semirara coal suitable to a wide variety of industries. | COAL SHIPMENT QUALITY | | SPECIFICATIONS | TYPICAL GRADE | POWER PLANT GRADE |
| CEMENT PLANT GRADE |
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| | Gross Caloric Value, Btu/lb (air dried) | 8,650 | - | 10,450 | 8,650 | - | 9600 |
| 9,600 | - | 10,450 | | Proximate Analysis (air dried, ASTMD3172) |
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| Ash, % | 5 | - | 10 | 9 | - | 18 |
| 5 | - | 10 |
| Fixed Carbon, % | 32 | - | 45 | 32 | - | 41 |
| 39 | - | 45 |
| Volatile Combustible Matter | 34 | - | 42 | 34 | - | 41 |
| 34 | - | 42 | | Total Sulfur, % (air dried, ASTMD2015) | 0.30 | - | 0.90 | 0.40 | - | 0.90 |
| 0.30 | - | 0.50 | | Total Moisture, % (as received) | 20 | - | 28 | 20 | - | 28 |
| 21 | - | 27 | | Residual Moisture, (air dried), % | 11 | - | 15 | 11 | - | 15 |
| 11 | - | 15 | | Hardgrove Grindability Index | 40 | - | 50 | 40 | - | 50 |
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| | Ash Fusion Temperature, OC |
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| Initial Deformation Temperature, OC | 1,120 | - | 1,300 | 1,120 | - | 1,300 |
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| Hemispherical Temperature, OC | 1,140 | - | 1,380 | 1,140 | - | 1,380 |
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| Flow Temperature, OC | 1,170 | - | 1,490 | 1,170 | - | 1,490 |
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| | Elemental Ash Analysis, % (dry basis) |
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| Sodium (Na2O) | 2.00 | - | 9.00 | 2.00 | - | 4.00 |
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| Potassium (K20) | 1.00 | - | 2.00 | 1.00 | - | 2.00 |
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| | * | Based on 2005-2006 shipments |
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