Viscosity Grade Bitumen is a standard grade Bitumen, manufactured from a fractional / vacuumdistillation of

The penetration grades bitumen is a kind of blown bitumen which is produced by different

If in the oil refining process in the vacuum distillation tower, the separation of light

Petroleum bitumen is obtained from the distillation of crude oil in the refinery. First, the

Natural bitumens are solid hydrocarbon materials that exist naturally in the shallow layers of the

Bitumen can be used in more than 100 different industries.Due to adhesive and waterproof properties

Iran is one of the largest and oldest sources of natural bitumen in the world.

Bitumen is not a new phenomenon and it has been used as a waterproofing material

In a specialized context, It can be stated that bitumen is a hydrocarbon compound with