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Bituminous coal is a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal but of poorer quality than anthracite. Formation is usually the result of high pressure being exerted on lignite. Its coloration can be black or sometimes dark brown; often there are well-defined bands of bright and dull material within the seams. These distinctive sequences, which are classified according to either "dull, bright-banded" or "bright, dull-banded", is how bituminous coals are stratigraphically identified. Within the coal mining industry, this type of coal is known for releasing the largest amounts of firedamp, a dangerous mixture of gases that can cause underground explosions. Extraction of bituminous coal demands the highest safety procedures involving attentive gas monitoring, good ventilation and vigilant site management.
Top ranked Steam Coal exporting country
Estimated amount of deposits : 60,500 million Ton
  Proven amount of deposits : 700 million Ton
Concentrated buried region : Kalimantan & Sumatra Island
Feature of Indonesian Bituminous coal
   1) Calorific Value : 5,000 ~ 7,000 Kcal/kg
   2) Cleaner coal that contains lower ash content and sulphur
Has more Competitive cost than other countries’ coal by cost reduction of transport due to using river
Reduction of desulfurizer installation due to low ash content and low sulphur