When I was working on a packaging project, one of the first questions I had was whether sheet extrusion was suitable for food or medical use. It turns out the answer is yes—but with some important considerations.
You have to make sure the plastic used meets safety standards for hygiene and chemical resistance. I ended up choosing PET and polypropylene since they’re commonly accepted for food-safe applications. The sheets came out with a clean, smooth finish that worked great for thermoforming into trays.
I came across Manplas during my research, and they offer helpful guidance when choosing materials for these sensitive sectors. They also make sure the sheets are produced under clean, controlled conditions, which is essential for food and medical packaging. Here’s a useful link if you want to explore further.