Color Tinted Extended Core Stretch Film for Color-Coded Pallet Wrapping
- Material: LLDPE hand stretch film
- Structure: Extended core with built-in grip
- Thickness: 12-35 u/um, grade dependent
- Colors: Blue, Red, Green, Yellow, Orange
- Core: 3 inch ID typical, custom extension
- Use: Manual color-coded pallet wrapping
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Foshan Opalus Adhesive Products Co., Ltd manufactures color tinted extended core stretch film for warehouses that need pallet identification and dispenser-free hand wrapping in one roll. Tinted LLDPE film is wound on an extended paper or plastic core that projects beyond the film edge to form a built-in grip. Operators can move between pallets without carrying a separate dispenser, while Blue, Red, Green, Yellow, or Orange film can identify routes, SKU groups, QC stages, or internal handling zones.
Built-In Grip and Core Geometry
The extended core is a working part of the roll, not simply extra tube length. Its exposed section becomes the operator’s grip, so core extension length, core ID/OD, wall strength, and roll balance affect handling. Too little projection limits hand clearance; excessive extension adds bulk without improving control.
During approval, check grip length, gross roll weight, and winding balance together. The core should stay firm under pulling force, and the roll should rotate without obvious wobble or telescoping. A 76 mm / 3 inch core ID is a common reference; OD and extension length can be matched to roll weight and grip requirements.
Color + Core Specification Matching
Color should support a warehouse rule. Blue extended core stretch film can identify a route, storage zone, or SKU family; Red may indicate QC hold, Green released stock, and Yellow or Orange special handling. Keep the assignment consistent across receiving, storage, picking, and dispatch.
Where labels must stay visible, a lighter tint is usually more practical. Stronger tint can improve recognition from a distance. Barcode checks should be made on the actual label after the intended number of wrap layers.
Generic vs Colored Extended Core Selection
Use clear extended core film when the main requirement is manual wrapping without a dispenser. Use colored extended core film when the pallet must also communicate status, destination, or inventory grouping.
Benefits
- Built-in grip supports dispenser-free operation for mobile warehouse wrapping.
- Color coding separates routes, SKU families, transfer loads, and QC status.
- Core extension length can be matched to roll weight and hand clearance.
- Stable winding and adequate core crush resistance support smoother rotation.
- Tint level can balance visual identification with label visibility.
- Color, width, micron, roll weight, and core dimensions can be specified together.
How Does an Extended Core Improve Manual Pallet Wrapping Efficiency Without a Separate Dispenser?
Extended core hand stretch film lets the operator hold the projecting core while the roll turns between both hands. This suits walk-and-wrap work and temporary packing stations. Before approval, check core length, grip comfort, roll weight, and rotation under normal pulling force.
The best format stays controllable through repeated wraps.
TDS / Technical Data Sheet
| Item | Typical Value |
|---|---|
| Film Material | LLDPE |
| Film Type | Color tinted extended core hand stretch film |
| Application Method | Manual pallet wrapping |
| Film Width | Common hand widths or customized |
| Film Thickness | 12-35 u/um, grade dependent |
| Roll Weight | Customized by width, thickness, and length |
| Core ID | 76 mm / 3 inch typical |
| Core OD | Confirm according to core construction |
| Core Extension Length | Customized to required grip area |
| Core Material | Paper or plastic, project dependent |
| Core Crush Resistance | Confirm against roll weight and handling force |
| Roll Balance | Checked through winding and core alignment |
| Color Options | Blue, Red, Green, Yellow, Orange, custom colors |
| Tint / Opacity | Light tint to stronger visual coverage |
| Stretch Performance | Grade and wrapping-condition dependent |
| Cling | Selected according to wrapping requirement |
| Color Consistency | Compared against approved color reference |
Applications
- Warehouse walk-and-wrap pallet preparation without separate dispensers.
- SKU or product-family identification in mixed inventory areas.
- Route-coded pallets for distribution and internal transfer.
- QC hold, released-stock, or inspection-stage visual marking.
- Temporary packing stations and low-volume manual wrapping lines.
- Export pallets requiring quick visual separation during handling.
How Should Color Coding Be Planned When Using Tinted Stretch Film for Warehouse Identification?
Start with a written color rule. Each color should have one clear meaning across receiving, storage, picking, and dispatch. Trial the tint on actual cartons under warehouse lighting, then check label readability and barcode scanning through the planned wrap layers. Keep an approved color sample for repeat-production comparison.
FAQ
1. Does the extended core make the roll uncomfortable to hold?
Not when projection, diameter, edge condition, and roll weight are properly matched. Check grip comfort during an actual wrapping trial.
2. Can the film color be customized?
Yes. Standard options include Blue, Red, Green, Yellow, and Orange; custom tints can be matched against an approved reference.
3. Can barcodes be scanned through tinted film?
Often with lighter tints, but results depend on tint strength, label contrast, film layers, and the scanner. Test the actual pallet first.
4. How should different core extension lengths be selected?
Match extension length to roll weight, operator grip, wrapping frequency, and working space. Longer is not automatically better; stable control is the goal.