Oxidized Bitumen is a semi-solid grade of this bitumen type. oxidized bitumen is produced by blowing hot air through penetration bitumen. This grade is formed at such a high temperature that leads to an increase in the penetration index of the bitumen. This grade of bitumen is made by pure bitumen aeration, which leads to the oxidation of bitumen with hot air. for the best price contact us Email: Alex@pub-ltd.com