What are the differences between PET bottles, PP bottles, PE bottles, and PS bottles?
2025-09-10
Plastic bottles are used for packaging across all industries. As consumers, whether we're looking at plastic bottles for food packaging or those for everyday items, we see labels like PET, PP, or PE printed on the bottles—these symbols indicate the material composition of the plastic packaging. But what exactly do these symbols mean? What are their specific uses? And what should consumers pay attention to when they see these labels?