The shelf life provided by a spout pouch depends on the specific barrier film combination selected during manufacturing, as well as the hot-fill or aseptic processing method used during filling. High-barrier laminates that include metalized films or aluminum foil effectively prevent degradation caused by light and oxygen oxidation. Proper thermal sealing around the perimeter and secure fitment application prevent micro-leaks. When combined with appropriate preservation techniques, a spout pouch can match or exceed the shelf-life performance of conventional glass and plastic packaging solutions.

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