Coal, Packaging Type : Loose

oal is a family name for a variety of solid organic fuels and refers to a range of combustible sedimentary rock materials spanning a continuous quality range. For convenience, this continuous series is divided into four categories: 1) anthracite, 2) bituminous coal (metallurgical coal), 3) sub-bituminous coal, 4) lignite.Coal is the primary fuel used by integrated iron and steel producers.