Not all poly ice bags are created equal. Buyers often focus only on size and price, overlooking critical factors that affect performance, cost, and customer satisfaction. Selecting the right bags requires a deeper understanding of material, thickness, and application needs.
1. Film Thickness: Balance Strength & Cost
These bags must handle:
- Sharp ice edges
- Stacking pressure
- Frequent handling
Thinner bags may reduce cost upfront but often lead to:
- Leaks
- Product loss
- Customer complaints
Optimized thickness ensures durability without unnecessary material usage.
2. Material Choice: LDPE vs. LLDPE Blends
- LDPE offers better clarity and softness
- LLDPE improves puncture resistance and tensile strength
Many manufacturers use LDPE/LLDPE blends to achieve the best balance between strength and appearance.
3. Seal Strength Is Non-Negotiable
A strong bottom seal prevents:
- Water leakage during melting
- Ice loss during transport
Buyers should always confirm seal type and seal width when sourcing this bag.
4. Packaging & Handling Considerations
They are often supplied:
- In cartons with easy dispensing
- With anti-slip properties for stacking
Efficient packaging reduces handling time and improves workflow at plants and distribution centers.
Conclusion
Choosing the right of this bag is about performance—not just price. By focusing on material structure, thickness, and sealing quality, buyers can avoid costly failures and ensure consistent operations.
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