Petrochemical industry has been chosen as our main subject matter for the intro to Chemical Anatomist task. Petrochemical is the second level products being derived from crude engine oil after several refining functions. These chemicals are typically extracted during the refining process as crude oil and gas are distilled or cracked, and they can be employed in a wide variety of ways. Petrochemical may be used to create PVC. PVC is one of the oldest synthetic materials in professional production. Its early history is of multiple and unintentional discovery in several places at different times as well as unsuccessful quests for commercial program. During the 1950's PVC is produced by a lot of companies and it volumes increased radically across the world.