Aseptic vs Hot-Fill Packaging for Polyester Bottles

Who can figure it? Polyethylene terephthalate (PET) polyester bottles for beverages and other liquid foods continue to penetrate the food packaging scene.

Whatever happened to coextruded polypropylene/ethylene vinyl alcohol (EVOH) barrier bottles and jars? (They are still out there if you look past the bizarre high-density polyethylene, HDPE, and “other” plastic classifications on the bases of food and beverage packages. And what of the potential for polypropylene (with barrier added) for hot fil…