Machine Stretch Film Manufacturer: Cast Machine Stretch Wrap for Automatic Wrappers
JUHONG makes machine stretch film in Changzhou, China, and sells it by the ton to distributors, importers and factories that run their own pallet wrappers. Machine stretch film, also called machine stretch wrap or machine pallet wrap, is cast LLDPE stretch film for pallet wrapping on a stretch wrapping machine. It comes on heavier rolls than hand film and is made to take the higher tension and pre-stretch of a wrapper. We cast it on our own lines, slit it to your width and wind it to the roll weight your machine takes.
Trusted by Global Industrial Buyers
Good load containment holds palletized goods securely in the warehouse and in transit, and cuts product damage over long distances by truck or sea transport.
Stretch film a year, about 58 t a day
Machine stretch film thickness, about 31–197 gauge
Net weight per machine stretch film roll
Minimum order for standard sizes, free samples
Machine Stretch Film Supply: At-a-Glance
| Product | Machine grade stretch film for semi-automatic, fully automatic and high-speed pallet wrappers |
|---|---|
| Film | Cast LLDPE in three series: Xtr11 (11 layers), Optima 7 and Base 5 |
| Thickness | 8–50 µm, about 31–197 gauge |
| Width | 250–2,000 mm; 500 mm (about 20 in) fits most wrappers |
| Net weight | 5–25 kg per roll |
| Core | 76 mm (3 in) durable paper core |
| Pre-stretch | Our film stretches 1:1.2 to 1:5 on a powered pre-stretch carriage, depending on thickness |
| Color | Clear; black, white or blue as colored stretch film |
| Packing | Bare rolls on pallets as standard, for example 75 rolls per 115 × 115 cm pallet; cartons or other packing on request |
| Minimum order | 1 ton for standard sizes |
| Lead time | Delivery 15–30 days after deposit and final specification |
| Payment | 30% T/T deposit; balance before shipment or against a copy of the B/L. L/C is also accepted. |
| Samples | Free trial rolls |
Types of Machine: Stretch Wrap Machines Our Film Runs On
The right film depends on your equipment and load. Send us the make and model of your wrapper and we match the roll dimensions, core and gauge to it. A semi-automatic wrapper needs the operator to attach and cut the film. A fully automatic in-line wrapper does both, so roll quality matters more there: one weak roll edge or a poor tail can stop the line.
Turntable
The pallet turns on a round table while the carriage moves up and down. Tell us the pre-stretch setting, table speed and wrap height.
Rotary Arm
An arm carries the film around a pallet that stays still. Tell us the arm speed and pre-stretch.
Overhead Ring
The film carriage runs on a ring above a conveyor line. Tell us the line speed and the roll weight the carriage takes.
Horizontal Ring
Boards, profiles and pipes pass through a rotating ring that wraps each bundle. Tell us the pack size the ring takes.
Robot
A small self-propelled wrapper drives around a load that stays on the floor. Tell us the roll weight the robot can carry.
In-Line Automatic
Pallets arrive on a conveyor and are wrapped with no operator. Tell us the line speed, cycle time and roll weight.
Cast Machine Stretch Film Specifications
Machine stretch film is sold by net film weight. The 76 mm core adds weight, so compare net weight and roll length when you put two quotes side by side.
Machine Stretch Film Specifications
Machine stretch film comes in 8–50 µm and 250–2,000 mm widths, on 5–25 kg rolls with a 76 mm core, for turntable, rotary arm, ring and in-line wrappers. Cast stretch wrap is made by extrusion through a flat die onto a chill roll. Our cast machine stretch film unwinds quietly, has good clarity for barcode scanning and keeps an even thickness across the roll, which a powered pre-stretch carriage needs. Cling holds each layer to the one below, so the wrap stays closed without tape. Blown film is hazier and louder, and some buyers choose blown machine film for rough loads. We make cast film only.
| Thickness | Width | Net weight | Elongation |
|---|---|---|---|
| 8–9 µm | 250–2,000 mm | 5–25 kg | 120–180% |
| 10–11 µm | 250–2,000 mm | 5–25 kg | 120–250% |
| 12 µm | 250–2,000 mm | 5–25 kg | 120–250% |
| 15–16 µm | 250–2,000 mm | 5–25 kg | 150–400% |
| 17–23 µm | 250–2,000 mm | 5–25 kg | 150–500% |
| 30–35 µm | 250–2,000 mm | 5–25 kg | 150–500% |
| 40–50 µm | 250–2,000 mm | 5–25 kg | 150–500% |
Machine rolls come in clear, or in black, white and blue, on a 76 mm (3 in) core; 500 mm is the most common width. Thinner film stretches less, so the pre-stretch you can run depends on the thickness, the film series, the load and the carriage. Set it in a trial.
Machine Film Gauge to Micron Chart
Roll labels give thickness in gauge or in microns. To convert, multiply gauge by 0.254.
| Microns | Mil | Gauge | Common trade label |
|---|---|---|---|
| 12 µm | 0.47 | 47 | 47 gauge, used for high-performance films |
| 15 µm | 0.59 | 59 | 60 gauge |
| 17 µm | 0.67 | 67 | 63–70 gauge |
| 20 µm | 0.79 | 79 | 80 gauge, the usual machine film |
| 23 µm | 0.91 | 91 | 90 gauge |
| 25 µm | 0.98 | 98 | 100 gauge |
| 30 µm | 1.18 | 118 | 120 gauge |
Machine Roll Width and Core
Most wrappers take 500 mm (about 20 in) rolls. We slit machine film from 250 to 2,000 mm for narrow carriages and wide loads. When you compare quotes, compare net film weight, because the core adds to the gross weight of the roll.
| Width | Core | Net weight | Typical use |
|---|---|---|---|
| 500 mm | 76 mm (3 in) | 5–25 kg | Most turntable, rotary arm and ring wrappers |
| 300 mm | 76 mm (3 in) | About 9 kg | Cans and beverage packs |
| 250–2,000 mm | 76 mm (3 in) | On request | Narrow carriages or wide loads |
Roll Length and US Machine Length Sizes
Roll length depends on thickness and net weight. At a density of 0.92 g/cm³, a 500 mm × 20 µm film gives about 108.7 m per kilogram. In the US, machine length stretch film is labeled by width, length and gauge, for example 20 x 5000 or 20 x 6000 x 80 ga. Send us the label of the roll you buy now and we will match the roll.
| US label | Close metric match | Net film weight |
|---|---|---|
| 20 in × 5,000 ft, 80 ga | 500 mm × 20 µm | ≈ 14 kg |
| 20 in × 6,000 ft, 80 ga | 500 mm × 20 µm | ≈ 17 kg |
| 20 in × 5,000 ft, 63 ga | 500 mm × 16 µm | ≈ 11 kg |
| — | 500 mm × 23 µm, 15 kg | ≈ 1,420 m (4,650 ft) |
Calculated values for net film weight, not including the core.
Three Film Series for Machine Wrapping
JUHONG cast stretch film comes in three co-extruded layer structures: Xtr11 with 11 layers, Optima 7 with 7 layers and Base 5 with 5 layers. The series sets the layer structure and the color options. Thickness and roll weight follow the specification table for each roll type. To compare the three series across hand, machine, jumbo and colored rolls, see our stretch film page.
Xtr11
Our 11-layer high performance stretch film: clear, tear resistant, with cross-reinforced layers for puncture resistance and load stability.
Clear for machine rolls
Our high-performance machine stretch film for high pre-stretch, thin film and loads with corners, where puncture resistance matters
Optima 7
A 7-layer film that sits between Xtr11 and Base 5.
Clear for machine rolls
Machine wrapping where the 11-layer structure is more than the load needs
Base 5
A 5-layer film and our everyday choice for standard pallet wrapping.
Clear for machine rolls
Square, stable loads where buyers compare film cost first
The number of layers is not a guarantee of performance on its own. Ask for the data sheet of the series you are comparing, and run it on your own wrapper at your normal settings before you choose. We can also add an anti-static additive or recycled resin to the formula, and set core, label and packing for your order.
Pallet Wrapping Cost: Pre-Stretch and Film Used per Load
Pre-stretch is the main lever on film cost. A powered pre-stretch carriage stretches the film between two rollers before it reaches the load, so each kilogram goes further. Our machine film stretches to a pre-stretch ratio of 1:1.2 to 1:5, depending on thickness, which means one meter from the roll becomes 1.2 to 5 meters on the load. Elastic recovery then keeps load containment after wrapping.
Compare suppliers by cost per pallet, not price per roll:
- Weigh a full roll.
- Wrap 10–20 identical pallets with the same wrap program.
- Weigh the roll again and divide the film used by the number of pallets.
- Multiply the grams per pallet by your landed price per kilogram, including freight.
Do the same test with each film you are comparing, at the same pre-stretch setting. The best film is the thinnest one that holds the load without breaking. A thinner, higher grade film often costs less per pallet even if it costs more per kilogram.
Pre-Stretched Film vs Power Pre-Stretch on Your Wrapper
Pre-stretched film is stretched at the factory and wound onto the roll already thin, so it can be wrapped by hand or on a wrapper with no powered pre-stretch. We do not make pre-stretched film.
Our machine film is stretched by your wrapper’s powered pre-stretch carriage as it runs, at 1:1.2 to 1:5. If your wrapper has a powered carriage, you get the same film saving on your own line, with film that has not been stretched before it reaches the load.
Choose the Gauge by Load Weight, Load Type and Industry
Load weight, load sizes and shape matter as much as the industry. Load types are often sorted as A, B and C loads. Heavy loads and heavy duty pallets also need a thicker film or a higher grade. Cold storage, outdoor storage and long sea routes need extra margin.
A loads
B loads
C loads
Where Does the Film Break on the Wrapper?
| Where it breaks | Likely cause | What to change |
|---|---|---|
| At a corner | Film too thin for the edge, or no corner protection | Use a thicker film or add edge boards |
| Along the roll edge | Roll damaged in handling, or a weak slit edge | Check roll edges before loading a new roll |
| At high pre-stretch | The carriage pulls beyond what the film can take | Lower the pre-stretch setting or use a higher grade |
| Same place every time | A roller, cutter or film path problem on the wrapper | Check the carriage rollers and film path |
Tested Machine Stretch Film and Export Documents
We check thickness, width, roll weight, puncture resistance and elongation in our own lab, as shown on our Quality Control page. We can supply REACH, RoHS and SDS documents and a PPWR-related heavy metal report; download them from our Downloads page.
Machine Stretch Film Test Results (SGS)
SGS tested 20 µm samples of our film against ASTM D4649 and the Chinese standard BB/T 0024-2018. These results apply to the samples tested.
| Test | Method | Result |
|---|---|---|
| Elongation at break (machine / transverse) | ASTM D882 | 550% / 770% |
| Protrusion puncture | ASTM D5748 | 1.35 Nm |
| Tear resistance (machine / transverse) | ASTM D1922 | 1 N / 3 N |
| Elongation at break | BB/T 0024-2018 | 570% / 750% (required ≥350% / ≥500%) |
| Puncture force | BB/T 0024-2018 | 16.8 N (required ≥12 N) |
| Cling, unstretched / 50% stretched | BB/T 0024-2018 | 3.8 N / 3.5 N (required ≥2.5 N / ≥2.0 N) |
| Tensile retention | BB/T 0024-2018 | 80% (required ≥70%) |
Elongation at break is measured in a lab until the film snaps. Working pre-stretch for machine stretch film on a wrapper is lower. These results apply to the sample tested, so ask for the report and test your own rolls on your line.
Export Documents for Machine Film Orders
We can supply REACH, RoHS and SDS documents, a PFAS-related test report and a food contact test report to GB 4806.7. SGS also tested a clear film sample for total lead, cadmium, mercury and hexavalent chromium under the EU Packaging and Packaging Waste Regulation (EU) 2025/40, and none was detected. Download what you need from our Downloads page.
Anti-Static and Recycled Content
We can add an anti-static additive or recycled resin to the machine film formula. Tell us the load and the target market, and we will quote the formula that fits.
Machine Stretch Film vs Hand Stretch Film
Standard hand film is lighter, comes on 0.7–8 kg rolls and is pulled by an operator. Machine stretch film comes on 5–25 kg rolls with a 76 mm core and is made for the higher tension and pre-stretch of a wrapping machine. Hand film on a wrapper usually breaks or wastes film, and machine rolls are too heavy to wrap by hand. If you also sell hand rolls, see our hand stretch film page; both can go in one shipment.
For pallet wrappers
Machine rolls weigh 5–25 kg and are made for the higher pre-stretch and tension of a wrapping machine.
Your brand on every roll
Wholesale distributors who supply packaging to warehouses and factories need the same roll every time to keep their supply chain steady. We wind and label machine stretch film under your brand: core label, roll label and carton or pallet label.
Written specification
Repeat orders run to the same written specification: thickness tolerance, width, core, net weight, roll length and packing.
Machine Film by Industry
These are machine film specifications our customers run today. Each plant sets its own spec for its load and line, so use them as a starting point for your trial.
| Industry | Machine film (width × thickness, net roll weight) |
|---|---|
| Solar modules | 500 mm × 20–28 µm, 10–15 kg |
| Paper and paper rolls | 500 mm × 13–28 µm, 15 kg |
| Gypsum board, chemical powders | 500 mm × 20–25 µm, 15 kg |
| Flooring, cold room panels | 500 mm × 20–25 µm, 15 kg |
| Glass | 500 mm × 25 µm, 15 kg |
| Appliances | 500 mm × 20 µm, 6–15 kg |
| Refractory bricks, wheel hubs | 500 mm × 25 µm, 15 kg |
| Cans and beverages | 300 mm × 20 µm, 9 kg; 500 mm × 25 µm, 15 kg |
| Chemical fiber | 500 mm × 20–28 µm, 15 kg |
Machine Roll Packaging, Pallets and Container Loading
Machine rolls ship in cartons on pallets, or bare on the pallet with no carton. The number of rolls per pallet depends on roll width and net weight, so we work it out for each order, and we adjust the packing to your order.
Cartons or Bare Rolls
Example: our common machine roll, 500 mm wide, 20 µm thick, 15 kg net film on a 0.8 kg, 76 mm (3 in) paper core. As standard we stack the rolls bare on the pallet and stretch wrap them. This is a reference, not a fixed rule: we can pack each roll in a carton or change the pallet to suit your order.
Cartons
Rolls in cartons
Rolls packed in cartons, then stacked on pallets. Carton count by roll size.
Your brand
Private label
Your carton, roll label and pallet label.
Machine rolls on 76 mm cores. Stretch film keeps for one year from the production date; store it in a clean, dry, cool place away from corrosive chemicals. You can mix machine rolls with hand rolls, jumbo rolls or PET strapping in one container.
Machine Roll Pallets and Container Loading
Here is our usual bare-roll load for 500 mm × 20 µm rolls with 15 kg of film, on 115 × 115 cm pallets. Other widths, roll weights or packing change the count, so we confirm the load plan with each quotation.
| Per pallet | 20 ft (20GP) | 40 ft (40HQ) | |
|---|---|---|---|
| Pallets | 1 (115 × 115 cm) | 10 | 20 |
| Rolls | 75 (5 × 5, 3 layers) | 750 | 1,500 |
| Net film | 1,125 kg | 11.25 t | 22.5 t |
Bare roll pack
Rolls on a pallet
Rolls stacked upright without cartons, then stretch wrapped. Layers can be straight or turned 90° to lock together.
Cartons
Carton pallets
Carton pallets loaded by forklift. Rolls per pallet depend on roll width and weight.
Palletised
Pallets in the container
Bare-roll pallets, stretch wrapped and held with green PET strapping, loaded by forklift and quick to unload.
Custom
Custom packing and load plans
We adapt the packing method and the carton to your order, and work out a load plan for a 20 ft or 40 ft container.
Storing Machine Rolls
- Shelf life of one year from the production date; best used soon after delivery.
- Keep rolls in a clean, dry, cool place.
- Store away from corrosive chemicals and other hazardous goods.
- Let a cold roll reach room temperature before use; cold film breaks more easily.
Planning a Machine Film Container Order?
The number of rolls in a 20 ft or 40 ft container depends on roll size, core and packing method, so we confirm it with each quotation. Send us:
- Roll width, thickness and net weight
- Carton or bare roll, and your carton count
- Pallet size, or floor-loaded
- Container type and destination port
Machine Stretch Film FAQ
Short answers to the questions buyers ask us about machine stretch film.
What is machine stretch film?
Machine stretch film, or machine stretch wrap film, is stretch film made for pallet wrapping machines. It comes on heavier rolls, usually 500 mm wide on a 76 mm core, and is made to take the tension and pre-stretch of a wrapper.
What core do machine stretch film rolls use?
A 76 mm (3 in) paper core, which fits most turntable, rotary arm, ring and in-line wrappers. Send us your carriage model if you are not sure.
What gauge of machine stretch wrap do I need?
Most pallets run 17–23 µm (about 70–90 gauge). Light square loads on a high pre-stretch carriage can go thinner; heavy or sharp-edged loads need 25 µm or more. Confirm with a trial on your load.
Will your film run on my wrapper?
Send us the make, model and carriage settings. We match the roll size, core and gauge and send trial rolls before a bulk order.
Do you make pre-stretched film?
No. Pre-stretched film is stretched at the factory before it is wound. Our machine film is stretched 1:1.2 to 1:5 by the powered pre-stretch carriage on your wrapper, so you get the extra length on your own machine.
How many pallets can one roll wrap?
It depends on load size, height, wrap program and pre-stretch. Weigh a roll before and after wrapping a known number of pallets to get the real number.
What is the minimum order?
1 ton for standard sizes. Non-standard sizes are quoted separately. Trial rolls are free.
Can you make anti-static machine film?
Yes. We can add an anti-static additive or recycled resin to the formula. Machine rolls are clear.
How do you pack machine rolls for export?
As standard, bare rolls stacked on pallets and stretch wrapped. For 500 mm × 20 µm, 15 kg rolls that is 75 rolls per 115 × 115 cm pallet, 750 rolls in a 20GP and 1,500 rolls in a 40HQ. Cartons or other packing are available on request, and we confirm the load plan with each quotation.
Get a Machine Stretch Film Quote
Send your wrapper model, the carriage settings and a photo of your current roll label. We suggest a film series, thickness and roll weight and send free trial rolls. You run the trial on your line, we confirm the written specification, price and packing, and the order ships 15–30 days after the deposit.
- Wrapper type, model and carriage settings
- Load type and pallet size
- Current film and roll size, or a photo of its label
- Any break problems on the wrapper
- Quantity and destination port
Fields marked * are required. You can attach your coil label or specification sheet.