Stretch Wrap
Also known as: Stretch Film, Pallet Wrap, Cling Film
Definition
Stretch wrap secures pallet loads by stretching elastic plastic film around products. Unlike shrink wrap, it doesn’t require heat—the stretched film clings to itself and holds items tightly.
How Stretch Wrap Works
- Film stretched 100-300% of original size
- Wrapped around pallet load
- Film’s memory creates holding tension
- Layers bond to each other
- Load stabilized for transport
Stretch Wrap Types
| Type | Use Case |
|---|---|
| Hand wrap | Low volume, manual |
| Machine wrap | High volume, consistent |
| Pre-stretched | Ready to apply, less effort |
| Blown film | Higher puncture resistance |
| Cast film | Quieter, clearer |
Gauge Selection
Film thickness measured in gauge or microns:
- 60-80 gauge: Light loads
- 80-100 gauge: Standard pallets
- 100-120 gauge: Heavy/irregular loads
Application Methods
Hand wrapping: Walk around pallet, manual tension Turntable: Pallet rotates, operator wraps Rotary arm: Arm rotates around stationary pallet Ring wrapper: High-speed automatic wrapping
Stretch Wrap Benefits
- Low cost per pallet
- No equipment required (hand wrap)
- Weather resistance
- Load visibility
- Easy removal
Best Practices
- Bottom-up application
- Overlap each layer 50%
- Extra wraps at bottom
- Cable top for very heavy loads
- Don’t over-stretch (causes film failure)
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