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Indonesia Coal
Coal Specifications
We specialize solely in the trade of thermal coal sourced from Indonesia, providing three primary calorific values: GAR 3800 kcal/kg, to GAR 6500 kcal/kg. The table below outlines the standard specifications for each coal category in accordance with the American Society for Testing and Materials Standard.
| Parameters | Typical | Rejection |
|---|---|---|
| Gross Calorific Value (ARB) | 6200 kcal/kg | < 6000 kcal/kg |
| Total Moisture (ARB) | 12-14% | |
| Inherent Moisture (ADB) | 4-5 % | |
| Ash Content (ADB) | 15% | >16% |
| Fixed Carbon (ADB) | By difference | |
| Volatile Matter(ADB) | 43% | |
| Total Sulfur (ADB) | 0.88% | >1 % |
| Hardgrove Grindability Index | Approx 45 | |
| Size Distribution 0-100 mm | 95% |
Parameters | Typical | Rejection |
|---|---|---|
Total Moisture (ARB) | 19% | >21 % |
Inherent Moisture (ADB) | 10% max | |
Ash Content (ADB) | 15% | >17% |
Volatile Matter (ADB) | 40-42% Approx. | |
Fixed Carbon (ADB) | By difference | |
Total Sulphur (ADB) | 3.8% | >4% |
Gross Calorific Value (ARB) | 5,300 Kcal /Kg | <5,100 Kcal/Kg |
HGI (Hard Grove Index) | 55 Approx. | |
Size (0-50mm) Min | 90% |
| Parameters | Typical | Rejection |
|---|---|---|
| Total Moisture (ARB) | 29% | |
| Inherent Moisture (ADB) | 13% max | |
| Ash Content (ARB) | 6% | >8% |
| Volatile Matter (ARB) | 38% Approx. | |
| Fixed Carbon (ARB) | By Difference | |
| Total Sulphur (ARB) | 0.6% | >0.8% |
| Gross Calorific Value (ARB) | 4,800 Kcal /Kg | <4,600 Kcal/Kg |
| HGI (Hard Grove Index) | 42 Approx. | |
| Size (0-50mm) Min | 90% |
| Parameters | Typical | Rejection |
|---|---|---|
| Gross Calorific Value (ARB) | 4500 kcal/kg | 4500 kcal/kg |
| Total Moisture (ARB) | 29% | |
| Inherent Moisture (ADB) | 10% | |
| Ash Content (ARB) | 12% | >14% |
| Volatile Matter (ARB) | 40-42% | |
| Fixed Carbon (ARB) | By Difference | |
| Total Sulphur (ARB) | 1.5% | >1.80% |
| HGI (Hard Grove Index) | 55 Approx. | |
| Size (0-50mm) Min | Min 90% |
Parameters | Typical | Rejection |
|---|---|---|
Total Moisture (ARB) | 35% | |
Inherent Moisture (ADB) | 14% max | |
Ash Content (ADB) | 9% | >11% |
Volatile Matter (ADB) | 38% Approx | |
Fixed Carbon (ADB) | By difference | |
Total Sulphur (ADB) | 0.5% | >0.7% |
Gross Calorific Value (ARB) | 4,200 Kcal /Kg | <4,000 Kcal/Kg |
HGI (Hard Grove Index) | 55 Approx | |
Size (0-50mm) Min | 90% |
Parameters | Typical | Rejection |
|---|---|---|
Total Moisture (ARB) | 36% | |
Inherent Moisture (ADB) | 14% max | |
Ash Content (ADB) | 9% | >11% |
Volatile Matter (ADB) | 40-42% Approx. | |
Fixed Carbon (ADB) | By difference | |
Total Sulphur (ADB) | 0.5% | >0.7% |
Gross Calorific Value (ARB) | 4,000 Kcal /Kg | <3,800 Kcal/Kg |
HGI (Hard Grove Index) | 55 Approx | |
Size (0-50mm) Min | 90% |
Parameters | Typical | Rejection |
|---|---|---|
Total Moisture (ARB) | 45% | |
Inherent Moisture (ADB) | 14% max | |
Ash Content (ADB) | 4 % | >6% |
Volatile Matter (ADB) | 43% | |
Total Sulphur (ADB) | 0.3 % | >0.5% |
Gross Calorific Value (ARB) | 3400 Kcal /Kg | <3200 Kcal/Kg |
HGI | 55 | |
Size (0-100mm) | 90% |
Parameters | Unit | Typical |
|---|---|---|
Total Moisture (ARB) | % | 10 Max |
Ash Content (ADB) | % | 15 Max |
Volatile Matter (ADB) | % | 05 Max |
Fixed Carbon (ADB) | % | 80 Min |
Sulphur (ADB) | % | 0.85 Max |
Gross Calorific Value (ADB) | Kcal /Kg | 6500 Min |
Size | mm | 0-15 |
