Aromatics are hydrocarbons, organiccompounds that consist exclusively of the elements carbon and hydrogen without which life would not be possible on Earth. The main aromatics are benzene, toluene and the xylenes; they are used as starting materials for a wide range of consumer products.
Asphalt, also known as bitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or
Sulphur is a chemical element, valuable commodity and integralcomponent of the world economy used to manufacture numerous products including fertilizers and other chemicals. It is
A polymer is a substance or materialconsisting of very large molecules called macromolecules, composed of many repeating subunits. Due to their broad spectrum of properties,