Humidity effect in heating and cooling of press‐formed paperboard food packages: Comparison of storing and heating conditions

Press‐formed paperboard food packages were heated and cooled to study the humidity effect on with a series of dimension measurements. The empty in form trays pre‐dried or preconditioned before their packing oatmeal, heating was altered find optimal storing conditions for improving dimensional stability trays. measurement results showed aggravated during cooling. Pre‐drying low observed reduce impact packages, linked material moisture content change. dry concluded enhance press‐formed packages. Use condition found necessary mitigate cooling