Figure 3: SEM images of the LMWPE sheets after 80 days of the biodegradation at 37°C in the sterilized compost inoculated with Pseudomonas sp. E4 (×5,000). (A), (C), (E) and (G); before the biodegradation of PE-1, PE-2, PE-3 and PE-4, (B), (D), (F) and (H); after the biodegradation of PE-1, PE-2, PE-3 and PE-4.