pub-ltd is a company based in Iran actively involved in manufacturing procurement distribution and export of various grades of  penetration Bitumen . Bitumen 10/20 is suitable for road construction and repair for the aslt pavements. Bitumen penetration grade 10/20 ensures long-term savings because it allows for a thinner pavement design, which uses up to 30% less aslt than traditional designs while ensuring extended pavement âs very important once it bounds the aggregates and creates a unique cohesion and stability to the bituminous mix. This grade of bitumen is mainly used in the manufacture of hot mix aslt for bases and wearing courses.