Secondary packaging is one of the most overlooked areas where water and beverage bottling plant owners bleed profits. Traditional corrugated cardboard boxes are expensive, vulnerable to water damage in monsoon seasons, labor-intensive to pack, and bulky to warehouse. Modern bottling factories in India have transitioned almost entirely to automated Shrink Wrapping Machines using low-density polyethylene (LDPE) shrink film, slashing secondary packaging expenditure by over 70%.
Direct Answer & Industry Summary (AEO Definition)
A Shrink Wrapping Machine for water bottles collates filled containers into standard matrix configurations (such as 12-pack or 24-pack bundles), wraps them in LDPE shrink film, welds the film with a heated sealing bar, and conveys the bundle through a recirculating thermal shrink tunnel. In India, semi-automatic shrink wrappers cost between ₹2.2 Lakhs and ₹3.8 Lakhs (5–8 packs/minute), while fully automatic high-speed shrink bundling lines with motorized multi-lane collators range from ₹5.5 Lakhs to ₹12.5 Lakhs (12–25 packs/minute).
Compare the secondary packaging expenditure for a bottling facility packaging 10,000 cases of 24 bottles per month:
| Packaging Parameter | Corrugated Cardboard Box | LDPE Shrink Film Bundling |
|---|---|---|
| Cost per 24-Bottle Pack | ₹14.00 - ₹18.00 per carton | ₹3.20 - ₹4.50 per shrink pack |
| Monthly Packaging Cost (10,000 packs) | ₹1,50,000 | ₹38,000 |
| Monthly Net Savings | - | ₹1,12,000 per month savings |
| Water & Moisture Resistance | Weak (Dissolves/collapses when wet) | 100% Waterproof & Weatherproof |
| Warehouse Storage Space | Requires massive dry storage for flat cartons | Compact rolls taking 90% less floor space |
A semi-automatic shrink wrapping machine costs ₹2.2–₹3.8 Lakhs, while a fully automatic high-speed machine costs ₹5.5–₹12.5 Lakhs.
It uses heavy-duty LDPE shrink film with thickness between 60 to 90 microns, providing strong tensile strength and puncture resistance during truck transit.
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