Although outwardly similar, stretch wrap and shrink wrap work differently. Stretch film relies on the tension generated by pulling or stretching the film to hold products in place, while shrink wrap achieves its strength by shrinking when applying heat. Packaging strength directly relates to film thickness, which is why pallet wrap film is heavier than the type used on small packages.
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Hand pre-stretched wrap with extended core offers higher load and stretch capacity, higher degree of memory once stretched, and increased tear resistance
Machine-length blown stretch wrap with extended core offers higher load and stretch capacity, higher degree of memory once stretched, and increased tear resistance
This shrink bundling film is made of a 3-layer polyethylene (PE) blend for use with automated packaging equipment with integral heat tunnels for a “bullseye” closure