Thermal / steam coal
Power generation and industrial heat enquiries.
COALS / INDONESIA
Coal Types & Specifications
Coal types and specification information for starting a sourcing discussion with COALS, including GAR, NAR, moisture, ash, sulfur, and sizing.
Start with type and application.
Lignite / sub-bituminous
Lower- to mid-calorific requirements.
Bituminous
Higher energy-density thermal and industrial requirements.
Anthracite / coking coal
Specialised heating and steelmaking enquiries.
Specification information.
- GAR / NAR
- State the requested gross or net calorific value on an as-received basis.
- TM
- Total moisture within the as-received coal.
- Ash / TS
- Non-combustible residue and total sulfur content.
- VM / HGI
- Volatile matter and Hardgrove grindability index.
- Sizing
- The requested nominal particle-size range.
Options are reviewed against each buyer specification through a commercial enquiry.
ISO classification reference