How Are Barrier Pouches Sealed?
After 8 years in sustainable packaging, I’ve learned that seal failure kills more products than any material defect. Most manufacturers focus on barrier films but ignore the sealing process until products leak. Barrier pouches are sealed using heat sealing methods1 that apply controlled temperature (typically 250-400°F), pressure (40-80 PSI), and dwell time2 (0.5-3 seconds) to […]
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