Page 34 - Unit 2: Pavement Material

Civil Engineering Department | DCC3113 : Highway & Traffic Engineering

Tar Tar

• Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, substance
obtained from a variety of organic materials through destructive distillation. Tar can be
produced from coal, wood, petroleum, or peat. It is black, and a mixture of hydrocarbons

and free carbon.

Definition of peat : a brown, soil-like material characteristic of boggy, acid
ground, consisting of partly decomposed vegetable matter.

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Prepared by : SITI ZURAIFA BINTI MD SAH, zuraifa@pmu.edu.my