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What is the thickness of the milk pouch used in packaging 6 liters of milk?
EXPLANATION
Food Packaging Materials
- Packaging Film Thickness for Large Milk Pouches:
- Packaging Specifications:
- For retail milk pouches ($500\text{ mL}$ to $1\text{ L}$), co-extruded LDPE/LLDPE films of $55 - 65\ \mu\text{m}$ are standard.
- For bulk institutional milk pouches holding 6 liters, film mechanical burst strength requires high-density multi-layer co-extruded polyethylene film with a thickness of 120 microns ($120\ \mu\text{m}$) to withstand hydrostatic dropping shocks.
- Conclusion: 120 microns (Option 4).
Correct option: (4) 120 microns
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