What is Oxidized Bitumen 105/15? Oxidized Bitumen 105/15 is a semi-solid petroleum product created by blowing hot air through asphalt flux. The numbers indicate the mid-range penetration (1/10 mm) and softening point (°C), measured by ASTM D5 and D36 standards, respectively. Produced from grade 60/70 bitumen, this material requires heating to twice its softening point […]
