Bitumen production in according to three standard method (Blowing method ,Straight run method and Blending method) in Iran and other countries
The Air Blowing Bitumen is produced by process of vacuum Bottom (VB) and air in the reactor. and due to the control of the process conditions, different grades are produced.
Bitumen clasification according to various specification such as Penetration, Viscosity, Performane of bitumen in the road and ....
Types Of Grade