Posts Tagged ‘petroleum derivative’

Bitumen

Definition Bitumen refers to an oil-based non crystalline solid substance produced naturally or from crude oil refining. Bitumen is mostly composed of highly condensed polycyclic aromatic hydrocarbons. After refining, Bitumen is the more viscous, heaviest and thickest petroleum derivative. Comments Natural bitumen is an unconventional oil,  sticky, looking like tar and more viscous […]

Read more
cash advance . Moreover, to order Cialis Daily online is highly advantageous because it interacts well with the small portions of alcohol and food.