Seals, Zippers, and Shelf Life: How Closure Choices Impact Speed, Scrap, and Sustainability

In flexible packaging, seals and closures are not accessories—they are critical performance components. For manufacturers, the right closure strategy directly affects line efficiency, package integrity, shelf life, and sustainability outcomes. Even the best film structure can underperform if seal properties are mismatched to equipment and operating conditions. Key seal attributes manufacturers should include: Seal initiation temperature […]