What are the major reasons to use APTs polypropylene vs. CPET food trays?
For applications that do not require dual-ovenable performance, polypropylene is recommended. It goes from freezer to microwave ovens (0 to 220 degrees F). CPET goes from freezer to either microwave or conventional ovens (-40 to 400 degrees F). For microwave only requirements, polypropylene is a good alternative because it costs less. Q: What are the advantages of APT multi-layer polypropylene food trays. A: They are retortable, have a hot fill capability to 200 degrees F, and their multilayer structures have excellent oxygen and moisture barrier. They can be easily sealed with a variety of lid stocks.