A B C D E F G H I J K L M N O P R S T U V Z W

V

Virgin naphtha – hydrocarbons with start and end of distillation at 70–180 oC; raw material for the production of motor fuels; valuable raw material for the petrochemical industry.

Visbreaking – breaking of viscosity; reduction of viscosity by cracking big molecules of hydrocarbons at high temperatures without the presence of a catalyst.

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