Fig. 1: Plastic processing workflow and changes in material properties and biofilm accumulation before and after in situ incubation.

a1–a3 PET mask, PP film, PE rope; b1–b3 Trimmed; c1–c3 SEM images before incubation; d1–d3 After incubation; e1–e3 SEM images after incubation; f1–f3 FTIR before and after incubation; g Biofilm content (OD values). The error bars in the bar charts represent the standard deviation.