Tag Archives: Hard grade bitumen 105/15

What is Oxidized Bitumen 105/15? Hot air is blown through an asphalt flux to create Oxidized Bitumen 105/15, a semi-solid form of pure petroleum bitumen. The figures correspond to the middle of the material’s penetration and softening point, respectively. According to ASTM D36 Standards and regulations, the softening point value is the number of degrees […]