Bitumen used in the pavement in road construction is classified either according to its penetration or according to its viscosities. Viscosity grading and Superpave Performance grading (PG) systems are the...
Bitumen or Asphalt is a black viscous mixture of hydrocarbons obtained naturally or as a residue from petroleum distillation of crude oil. Petroleum Bitumen or Asphalt is a sticky, semi-solid, viscous petroleum,...