Figure 1
From: Recycling micro polypropylene in modified hot asphalt mixture

SEM images of standard, Sample 1 (0.1% PP) and Sample 2 (0.3% PP) hot asphalt mixture.
From: Recycling micro polypropylene in modified hot asphalt mixture

SEM images of standard, Sample 1 (0.1% PP) and Sample 2 (0.3% PP) hot asphalt mixture.