Sub-bituminous coals may be dull, dark brown to black, soft and crumbly at the lower end of the range, to bright , , and relatively strong at the upper end. They contain 15-30% inherent moisture by weight and are non- (undergo little swelling upon heating). The heat content of sub-bituminous coals range from 8300 to 11,500 / or 19,306 to 26,749 /. Their relatively low density and high water content renders some types of sub-bituminous coals susceptible to if not packed densely during storage in order to exclude free air flow.
Sub-bituminous coal is a type of coal whose properties range from those of lignite to those of bituminous coal and are used prim
Minimum Order Quantity: | 5000 Metric Ton |
Payment Terms: | L/C,T/T,Western Union,MoneyGram |
Port: | Semirara Island , Caluya, Antique, Philippines |
Fob Price: | US$80-85Semirara Island , Caluya, Antique, Philippines |
Ash Content: | ADB 12% Max |
Coal Calorific: | 5300 kcal/kg |
Type: | Lignite to those of Bituminous coal |
Place of Origin: | Philippines |