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How does stretch film compare directly to traditional shrink wrapping?
While often confused, stretch film and shrink wrap operate on entirely different mechanical principles and serve distinct packaging requirements. Stretch film is applied by wrapping it tightly around a load under mechanical tension, relying on its elastic memory to hold items. Shrink wrap is applied loosely around an object or pallet and then subjected to a heat source, causing it to shrink tightly. Shrink wrapping requires specialized heat tunnels or guns, whereas stretching can be done manually or with simple mechanical dispensers. Furthermore, stretching is generally more cost-effective for pallet unitization, while shrink wrap offers superior airtight seals for individual products.
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