If you have just purchased Fortemo black manual stretch film, you hold a specific variant of pallet stretch film in your hands: the opaque version with UV block, designed for shipments where content confidentiality or prolonged exposure to the Caribbean sun are real factors. This guide explains the correct application technique for this format and when the extra cost is justified compared to transparent film.
The mechanical application procedure is identical to that of transparent film: anchor at the bottom, spiral with tension, top coverage, and descent. The differences lie in when to choose this film: if your operation doesn't need opacity or light protection, transparent film provides the same mechanical seal at a lower cost. Read it entirely before the first shift to confirm that black is truly what you need.
Product Specifications
The black manual stretch film is offered in a single standard presentation of 45 cm wide by 305 m long, with UV-stable pigment integrated into the formulation. The following table shows the full technical specifications of the only variant available:
| Specification | Value |
|---|---|
| SKU | 986007 |
| Material | Virgin LLDPE + UV-stable black pigment |
| Color | Opaque black |
| Additional Treatment | Integrated UV block |
| Width | 45 cm (18 in) |
| Length per roll | 305 m (1000 ft) |
| Thickness | 20 µm (80 gauge) |
| Net weight per roll | 2.5 kg (5.5 lb) |
| Stretch capacity | 250-300% (manual stretch) |
| Adhesion system | Unilateral cling on inner surface |
| Application method | Manual (with or without dispenser) |
| Presentation | Box of 6 rolls |
The sister guide for transparent manual stretch film applies the same palletizing technique for cases where opacity and UV protection are not factors and lower cost is preferred.
Step-by-step guide
The mechanical procedure is identical to that of transparent film. The specifics of the black film are highlighted in each step. If you are familiar with applying transparent film, you can skim through and only pay attention to the points where opacity changes something.
Inspection of the roll and pigment
Before each roll change, check the visual consistency of the color: the black should be uniform, without semi-transparent areas or "mottling" where the pigment was poorly distributed at the factory. This is a quick lot quality check: a film that shows lighter areas when 1-2 meters are unrolled under strong light does not protect as advertised, and it is advisable to report the defect before processing it. The rest of the inspection (edge uniformity, absence of tears in the first few meters) is identical to transparent film.
Initial anchor at a low corner
The technique is the same as with transparent film: 30-40 cm initially tied or folded over itself in a lower corner, allowing the cling of the inner surface to fix the first layer. A particularity of black film: the cling is slightly less visible due to the opacity of the color, so do not rely on visual verification and adjust the pressure by touch.
Upward spiral with tension
Overlap 50%, advance 20 cm per turn, constant tension. Opacity can make it difficult to see if the film is stretched correctly: a new roll should stretch between 150% and 250% without noticeable effort. If you have doubts about the correct tension, a good practice is to pre-mark an area of the pallet with tape and verify at the end that the tape is clearly compressed under the film.
If your operation needs to combine opacity with legible labels (shipments to destinations where documentation is placed on the pallet), apply 2-3 wraps of transparent film over the labels as a viewing layer and then wrap the entire pallet with black film. The cling adheres the two films without issue and you get the best of both: general confidentiality plus specific visibility where needed. The technique also works in reverse (black underneath, transparent on top) if the priority is to protect against UV.
Top coverage and descent
Double wrap at the top to secure, then downward spiral with 50% overlap. For export shipments with long-transit palletizing, it is advisable to reinforce the two bottom wraps with three or four extra wraps: the base is where friction with forklifts and ramps is most concentrated during handling.
Closure and cutting
Identical to transparent film: two final wraps at the base, pressure on the previous layer to activate cling, transverse cut. Verify that there are no loose ends: on black film, the end is not as easily noticeable, and a poorly sealed end can go unnoticed during warehouse exit inspection.
Do not confuse opacity with impermeability. Black stretch film blocks light but is still permeable to environmental humidity: in tropical climates with nocturnal condensation, the pallet can gain surface moisture between the film cover and the boxes. If your shipment requires a water barrier, add an intermediate layer of polyethylene before the black film or switch to a product with a laminated barrier. Black film provides light protection plus visual security, not impermeability.
Is the extra cost of black film justified for your shipment?
Black film costs approximately 15% more than equivalent transparent film. The difference is justified when the shipment requires concealing branding or content (export, confidential logistics), when the merchandise is photosensitive (electronics, certain paints and chemicals), or when the pallet will remain in the Caribbean sun for several days in a yard. In other cases, transparent film provides the same seal. Ask the assistant with your scenario, and we will confirm if it is suitable.
Complementary Products
To complement the use of black manual stretch film in logistics operations with opacity or UV protection requirements, the following products cover the most common adjacent needs:
The manual stretch film or net dispenser is the natural tool for operations that palletize more than 30 units per shift, especially useful with black film where tension consistency is more difficult to visually verify. The transparent manual stretch film is the alternative when opacity is not a factor: the same mechanical seal at a lower cost. The open-mouth big bag palletized and wrapped in black film is the usual combination for export shipments of aggregates or grains where opacity protects against visual assessment of the lot in transit. Plastic edge protectors keep pallet corners protected during handling with forklifts or overlapping strapping.
Maintenance and care
Black stretch film requires the same storage care as transparent film, with an additional point: direct UV radiation on the roll will not degrade the applied film (which is protected by its own UV additive), but it will degrade the cling of the inner face on rolls stored in the sun. A roll stored in an exposed yard loses its ability to adhere between layers over time, which results in pallets showing bubbles and loose areas after application. Store rolls vertically, indoors in a cool place, away from direct sunlight.
Partially used rolls between shifts should be returned to a vertical position with the cut end secured against the roll. Active cling is verified by pressing two fingers on the film: if the fingers separate cleanly with no trace of adhesion, the roll has lost its properties and should be removed from the shift flow. Loss of cling is the first sign of product aging in storage.
Frequently Asked Questions (FAQ)
When does the higher cost of black film justify itself compared to transparent film?
Black film is justified in three specific scenarios: confidentiality (shipments where you don't want third parties to see what you are transporting), light protection (light-sensitive products stored or transported in the sun), and lot identification (when the visual difference from transparent pallets saves inventory time in high-volume warehouses). If your operation does not fall into any of these three, transparent film provides the same mechanical seal at a lower cost.
Does the UV protection of the film really work for storing pallets outdoors?
UV blocking significantly reduces the radiation reaching the contents of the pallet, which is relevant for products that degrade with direct light (some chemicals, dry foods in partially translucent packaging, electronics with plastic components). It does not replace a dedicated cover for prolonged outdoor storage: the film is a secondary layer, not a tarp. For pallets in an outdoor yard for days, the correct combination is black film as a seal plus a tarp or cover over the assembly.
Is it compatible with pallets that require quick visual inspection?
Not directly. Once the black film is applied, the contents are completely hidden until it is cut. For warehouses that require frequent visual verification (rotating products, quality control by lot), it is advisable to use transparent film on at least one side of the pallet: the "window" leaves the documentation legible while the rest of the pallet benefits from the opacity of the black film. The mixed layer technique is easily applied: 2 transparent wraps on the critical side, black on the rest.