Figure 1
From: Degradation and fragmentation behavior of polypropylene and polystyrene in water

Optical microphotographs of PP and expanded PS (EPS) samples retrieved from beaches on the Sagami bay: (a) PP. (b) PS.
From: Degradation and fragmentation behavior of polypropylene and polystyrene in water

Optical microphotographs of PP and expanded PS (EPS) samples retrieved from beaches on the Sagami bay: (a) PP. (b) PS.