An air tight container is primarily evaluated by its material’s gas transmission rate and thermal resistance, which determine how effectively it maintains a protective barrier against external elements. The choice of material—whether Polypropylene (PP), Polyethylene Terephthalate (PET), or Aluminum—directly dictates the preservation level and structural integrity of the food packaging system. Managing a global supply … Continue reading What Are the Best Materials for Airtight Food Containers?