Properties and Components of Recycled Engine Oil Bottom Rejuvenated Asphalt and Its Grey Relationship Analysis

Table 3

Performance grade of different asphalt binders.

Test objects	High temperature grade	Low temperature grade	Performance grade (PG)
Original asphalt	70	−28	70–28
Aged asphalt	76	−10	76–10
Aged asphalt + 4% REOB	76	−10	76–10
Aged asphalt + 5% REOB	76	−16	76–16
Aged asphalt + 6% REOB	70	−22	70–22
Aged asphalt + 7% REOB	70	−22	70–22
Aged asphalt + 8% REOB	70	−16	76–16