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AHR Group
[Indonesia]
setam coal
The characteristics of coal in each contract area as marketed to customers (including blended coal) are listed in the following table (adb%, unless otherwise specified
|
Indicetive Coal Specifications |
MSJ |
SB |
TBH |
|
Total Moisture |
±17 |
±18 |
±19 |
|
Inheret Moisture |
±11 |
±12 |
±16 |
|
Ash Content |
<9 |
4-8 |
4-8 |
|
Volatile Matter |
38-42 |
39-41 |
38-40 |
|
Fixed Carbon |
40-42 |
40-42 |
39-41 |
|
Calorific Value (adb kcal/kg) |
5,800-6,400 |
5,800-6,400 |
5,800-5,800 |
|
Total Sulfur |
<1.0 |
<1.0 |
0.3-1.0 |
|
Handgrove Grindability Index |
±45 |
±45 |
±45 |
|
Ash Fusion Temperature (Reduced Atmosphere) |
|||
|
Initial Deformation |
Over 1,250°C |
Over 1,250°C |
Over 1,250°C |
|
Hemisphere |
Over 1,250°C |
Over 1,250°C |
Over 1,250°C |
|
Flow |
Over 1,250°C |
Over 1,250°C |
Over 1,250°C |
The company implements quality control from the exploration stage to the mining, hauling, crushing and loading stages of coal production to help ensure customers receive coal products that comply with contract specifications, total sulfur, calorific value, ash content and relative density tests. All of the Company's laboratories follow ISO/ASTM standards. In addition, quality control is overseen by Sucofindo and Geoservices, with Sucofindo operating laboratory facilities in the coal mine area. The Company's coal supply contracts usually include the specification of the coal target requested.
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