OXIDIZED BITUMEN 85/30
DESCRIPTION OF OXIDIZED BITUMEN 85/30 Oxidized Bitumen 85/30 or blown asphalt 85/30 (blown bitumen 85/30) is a type of bitumen created by blowing air over pure bitumen (similar to penetration bitumen 60/70). It has a lower penetration grade and a higher softening point than pure bitumen. Airflow polymerizes