blown stretch film hand rolls
Foshan Opalus Adhesive Products Co., Ltd. is a manufacturer of blown stretch film hand rolls for manual pallet wrapping where regular cast hand film may puncture, split, or lose hold on difficult loads. Made through blown film extrusion, these hand rolls are suited for rough cartons, bagged goods, sharp pallet corners, irregular industrial cargo, and cold or dusty warehouse areas. The film is built for sharp-edge protection, controlled tear growth, cling, and load retention rather than ultra-clear gloss.
- Widths: 12 inch, 15 inch, 18 inch, and 500 mm
- Thickness: 60-120 gauge, approx. 15-30 um
- Length: 1000 ft, 1500 ft, 2000 ft, or custom
- Material: LLDPE blown stretch film
- Colors: clear, black, or tinted
- Format: 3 inch core, 4 rolls per case typical
Product Overview
Blown stretch film hand rolls are produced by extruding melted LLDPE resin through a circular die, forming an air-inflated film bubble, cooling it, and winding the collapsed film into manual rolls. This process gives the film a tougher hand feel and stronger stretch memory than many standard cast wraps, especially when the load surface is rough, uneven, or likely to create small puncture points.
This blown hand stretch film is mainly used where the pallet is not clean, square, or easy to hold. Typical sample loads include recycled cartons, bagged powder, timber edges, brick and block pallets, metal parts, mixed cargo, and construction materials. During sample approval, the film should be checked for corner splitting, tear growth from small punctures, tail cling after wipe-down, roll edge flatness, and pallet tightness after 2-4 hours of warehouse dwell.
Clear blown hand film can still support general load identification, but it usually has higher haze and lower clarity than cast film. When quiet unwind, barcode visibility, and glossy load appearance are the priority, regular cast film may be a better match.
Benefits
- Helps reduce film breaks on pallet corners, timber edges, bagged goods, and rough recycled cartons.
- Controls tear growth when operators pull the film around abrasive surfaces or mixed cargo.
- Two-sided cling helps the film grip onto itself and reduces loose tails after wipe-down.
- Stretch memory helps maintain load stability after pallet settling, warehouse dwell, or road vibration.
- Can perform more reliably in cold or dusty conditions after real-condition sample confirmation.
- Practical formats such as 60-120 gauge, 3 inch core, 1000-2000 ft length, and 4 rolls per case support repeat production use.
When Is Blown Stretch Film a Better Choice Than Cast Hand Film?
Blown stretch film is usually selected when the load surface makes regular hand film fail too easily. In a side-by-side pallet trial, cast film may wrap standard carton pallets smoothly, but it can split on sharp corners, tear across rough sacks, or loosen around irregular cargo. Blown hand rolls are better suited when corner protection, cling, and recovery after stretching matter more than clarity or quiet unwind. A fair comparison should use the same operator, wrapping tension, pallet type, corner profile, and 2-4 hours of warehouse dwell.
TDS
| Item | Typical Value |
|---|---|
| Product type | Blown hand stretch film rolls |
| Film process | Blown extrusion, air-cooled film bubble process |
| Material | LLDPE resin blend, virgin or recycled-content option by grade |
| Width | 12 inch, 15 inch, 18 inch, 500 mm option |
| Thickness | 60-120 gauge, approx. 15-30 um |
| Roll length | 1000 ft, 1500 ft, 2000 ft, or custom |
| Core size | 3 inch paper core typical |
| Color | Clear, black, or tinted option |
| Cling type | Two-sided cling standard, one-sided cling by grade |
| Case pack | 4 rolls per case typical |
| Puncture check | ASTM D5748 reference or sharp-corner pallet trial |
| Tensile and elongation | ASTM D882 reference, grade-dependent result |
| Peel cling check | ASTM D5458 reference or tail-hold wipe-down test |
| Haze and clarity | ASTM D1003 reference, usually hazier than cast hand film |
| Low-temperature review | Trial under actual cold-room or winter warehouse condition |
| Roll inspection | Net roll weight, roll edge flatness, unwind feel, core fit |
| Batch control | Retained sample, batch identification, repeat-order consistency check |
Applications
- Manual pallet wrapping for rough recycled cartons and uneven export pallets.
- Bagged materials with hard folds, shifting surfaces, or sharp package corners.
- Brick, block, tile, timber, pipe, and construction-material pallet loads.
- Metal parts, timber edges, and mixed industrial cargo with non-standard pallet profiles.
- Cold storage, dusty warehouses, and outdoor staging areas after sample testing.
- Hand wrapping stations where sharp-edge resistance matters more than high clarity.
How Should Blown Stretch Film Hand Rolls Be Tested on Rough or Sharp-Edged Pallets?
Blown stretch film hand rolls should be tested on the actual pallet, not only by checking roll weight, width, or thickness. A practical trial starts with the normal operator and normal wrapping tension. Mark sharp corners or rough contact points before wrapping, then check during the second or third wrap layer whether the film breaks, stretches unevenly, or starts a tear line. After wrapping, leave the pallet for 2-4 hours to review tear growth, tail hold, load tightness, and film recovery. For cold or dusty storage, repeat the test in the expected working condition because cling, unwind feel, and hand feel may change.
FAQ
1. Are these hand rolls clearer than cast hand film?
No. Blown film is usually hazier than cast hand film. It is selected mainly for sharp-edge performance, tear control, cling, and load retention.
2. What gauge is suitable for sharp-edged pallets?
Many applications use 70-120 gauge, depending on pallet weight, corner shape, wrapping tension, and storage condition. Actual pallet testing is recommended.
3. Can this film be used in cold warehouses?
Yes, but low-temperature toughness should be confirmed by sample wrapping under the actual warehouse condition because cling and hand feel may change.
4. How is repeat-order consistency checked?
Approved samples, width, thickness, net roll weight, core size, roll edge quality, cling behavior, batch identification, retained samples, and pallet trial results should be compared before repeat production.