Tag Archives: Shrink Film

What to do (And what NOT to do) in 2022


Many manufacturers in 2021 saw increased demand, supply chain shortages, labor shortages, and let’s not forget the ever-present threat Coronavirus had on keeping your doors open. Whether you’ve jumped one or all of these hurdles, one thing is for sure… 2021 has left us all saying, ‘oh brother, what’s next!?’ 2022 as yet remains shrouded in mystery, so to quell your anticipatory anxiety, here are two DO’s and two DON’Ts that the experts at Best Packaging recommend to help you ‘baton the hatches’ to your end of line and prepare for whatever comes next.

Don’t

Fall behind on Preventative Maintenance
When you’re constantly adapting to new circumstances, everyday maintenance tends to fall by the wayside. But that’s precisely when it is needed most! Failure to regularly clean, lube and exchange worn parts can escalate a minor breakdown to a total catastrophe. Consider boosting your PM plan with performance monitoring technology. By combining line counter data with hands-on technician experience, you’ll get the clearest insight to predict wear and tear issues.

Overspend on Disposables
Disposables like stretch film, tape, and corrugate are called such because they are intended to be used once and thrown away. When you spend more than you need on single-use materials, you are essentially just throwing your money away! This happens when case tapers require more than one pass, when stretch film is so thin that it requires additional wraps, or when your cases are thicker than necessary for your application. Getting the right thickness or tension is a delicate science best left to an expert. Find out where you could be saving money by having our team of production line designers (and an ASTM contributor!) audit your plant for inefficiencies.

Do

Explore Automation
Integration doesn’t JUST mean robots. Advancements in manufacturing technology have steadily been picking up steam over the past few years. The infrastructure is finally available to make Industry 4.0 technology not only feasible for the average manufacturer, but affordable too. Take a few baby steps into the vast realm of IIOT (Industrial Internet Of Things) by implementing sensor automation with PLC integration to your existing equipment.

Take Care of Your Team
At a time when labor is scarce and employee welfare is ever the subject of public scrutiny, consider what you could be doing to improve plant safety or reduce the strain on your machine operators and material handlers. For example, graduating to a semi-automatic packing system, like a Wexxar Bel 507 & 150 combo that features a tilted packing station for better ergonomics could increase your packages per minute and still keep your valued workforce comfortable while performing repetitive motions.

If you are interested in exploring any of the solutions we suggested above, we’d love to get in touch! Or, if you need something more specific, Best Packaging is happy to assess your current production line to create a more personalized recommendation for improvements to your system. Contact us for more info!

How To Measure Shrink Wrap Film For Your Product


Using a generous amount of shrink-wrapping film might seem harmless or even the right thing to do. Better to overestimate, than underestimate when it comes to sizing, right? Wrong! Over time, you may experience shrinking profits as your materials costs increase. In fact, it’s better to simply get it right the first time.

Nailing down your shrink film measurements is easier than you might think. Finding the proper film width and length will depend on what type of film you are using. You will need to know a few facts and measurements before calculating your shrink film dimensions. In this article, all measurements are in inches.

  • Orientation/flow through shrink tunnel (This will inform which side is your product length vs your width)
  • Type of machine (this will dictate what type of film you need)
  • Production/Conveyor Speed
  • Product dimensions (always round up to the nearest inch)
    • Width: parallel to the cut-off or cross seal
    • Length: parallel to the fold of the film, in cases of centerfold film
    • Height: In cases of products with uneven surfaces, the height should be considered from the bottom to the highest point of the package
Diagram with formula for calculating centerfold shrink film dimensions

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The most common forms of shrink wrap film are tubing, centerfold film, and shrink wrap bags. Conveniently, there is a formula to calculate the proper measurements for each kind.

Centerfold: Combine the height and the width of the item, then add 2-3 inches of wiggle room. (3 for larger items only). The formula for this is H+W+2.

Diagram with formula for calculating shrink film tube dimensions

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Tubing: Tubular shrink film is typically only used for oblong objects. To determine the width of your shrink film tube, multiply the circumference of your object by 1.15, then divide your total by 2. In other words, (CIR×1.15)÷2. As for the length of your shrink wrap tube, simply add 2-3 inches to the length of the object.­

Diagram with formula for calculating shrink wrap bags dimensions

Right click to open image in new tab and save.

Shrink Bag: For most applications, bags are the most beginner-friendly solution to shrink wrapping. They are already sealed on 3 of the 4 sides, which makes packaging your item simpler.  To find the right width for your shrink bag, follow this formula: (CIR×1.13)÷2. As with our previous examples, the length of your shrink bag should be the length of your object, plus 2-3 inches.

Every application is different and finding the right size film can be even more difficult when your item is an irregular shape. When in doubt, ask an expert. Every service technician at Best Packaging is trained in shrink wrapping procedure. During your next visit, ask a technician to take a look at your shrink wrapping line and your product to get a shrink film recommendation.

What’s your take? We welcome guest bloggers! E-mail socialmedia@bestpackaging.com if you’d ever like to collaborate.

Are you experiencing problems with Static?


Have you ever experienced high amounts of static being dispersed on to your film?

We had a customer come to us asking if we could do anything about that static build-up on the pallets. Static is often generated as a result of surface separation between two rollers slipping over stretch film. To combat this issue, Best Packaging uses elastic dissipating cords to remove static.

The elastic cord removes static from the stretch wrapper by neutralizing the surface as it is unwound and applied to the bundle. The cord is thread through a mounted magnet hole, kept straight for tension, and tied a simple knot. As long as the cord is within ¾ of an inch of the film, it will lower the static charge.

If you ever run into any issues with your stretch wrap applications, don’t hesitate to contact us.

What’s your take? We welcome guest bloggers! E-mail socialmedia@bestpackaging.com if you’d ever like to collaborate.

Shrink vs. Stretch Wrap


The terms shrink wrap and stretch wrap are often used interchangeably, but the reality is, they are two different products. While they are both used for packaging purposes and are both clear plastic films, they serve different purposes during application. Understanding these differences can save you the frustration of ordering the wrong film.

Stretch wrap is an elastic film commonly used to wrap and secure loads on pallets for shipping purposes. As the products are wrapped in the film, tension is applied as it is wrapping several times around the load. The properties of the wrap cause it to cling to itself creating a tightly wrapped, secure packaging. Stretch wrap can come in a variety of specialty films such as: UV stretch film, colored stretch film, prestretched stretch film, etc., making it more adaptable than other films.

Unlike stretch wrap, shrink wrap is a clear plastic film that is not stretchy. Shrink wrap covers loosely around a product and shrinks tightly when heat is applied. It is typically used to professionally package retail items giving them a tamper proof and protective barrier. Shrink wrap is mostly used to wrap individual items such as CDs or meats, but can still be used to package multiple items together. Shrink Wrap has the option of being ventilated, which creates an advantage in reducing any damage that can occur from moisture.

Whether your application calls for stretch film, shrink film, or both, let Best Packaging help you find the right materials and equipment for you. Give us a call at (888) 930 BEST to set up a consultation.

What’s your take? We welcome guest bloggers! E-mail socialmedia@bestpackaging.com if you’d ever like to collaborate.

Stretch Film 101


Many consumers don’t realize that stretch film plays an important role in delivering and transporting many of the products they use. Stretch Film is the highly elastic plastic material used to wrap products and secure them onto pallets. It is most commonly used to unitize products for efficient storage, but also serves as protection for transportation.

Stretch film is made from LLDPE (Linear-Low-Density Polyethylene). LLDPE is the ideal material for wrapping and securing loads because of its flexibility. The film’s ability to stretch around corners of products, boxes, and pallets offers increased puncture and tear resistance as well as greater efficiency when applied appropriately. High puncture and tear resistance guarantees that the load will remain stable and secure during transportation. Increased puncture resistance as well as a reduction of cost can be detected when the film reaches its maximum stretch potential.

At Best Packaging, we use state of the art testing technology to evaluate stretch film performance. If you’re currently wrapping products with stretch film and want to ensure you’re getting the maximum stretch potential, give us a call at (888) 930 BEST. By helping you understand your wrapping operations better, we can recommend solutions to reduce costs and improve your wrapping performance.

What’s your take? We welcome guest bloggers! E-mail socialmedia@bestpackaging.com if you’d ever like to collaborate.