The black cementing agent known as asphalt has been used for road construction for centuries in all overall the world. Asphalt is black or brown petroleum-like material that has a consistency varying from viscous liquid to glassy solid. Although, asphalt is present in two types which are used in the natural deposits of asphalt and rock asphalt. Asphalt is obtained either as a residue from the distillation of petroleum or natural deposits. Natural asphalt which is also called Brea, and formed during an early stage in the breakdown of organic marine deposits into petroleum. Asphalt is produced from the constituent of most petroleum products which are isolated through the refining process of distillation. While production of the asphalt consists of compounds of hydrogen and carbon with minor proportions of sulfur, nitrogen, and oxygen.

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