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Stretch Film Containment Force

The key to safe transport

Stretch film containment force is the most important factor in determining whether a load can be transported safely. With stretch film and pallets, binding is key. The aim of using stretch film correctly is to move the product on the pallet from point A to point B safely. You want to be able to do this safely and at the lowest possible cost. What is the correct way to use stretch film? Use the right amount of Stretch Film Containment Force.

The Stretch Film Containment Force is the total force applied to the load at a given point. It is produced by multiplying the wrapping force or slackness by the number of revolutions of the stretch film. Using the right amount of stretch film containment can be the difference between your product reaching point B overall or being damaged.

Understanding the ABC's of pallet loading

Figuring out what type of pallet load profile you typically pack is as simple as A B C. Pallets can be loaded in a seemingly infinite number of ways. Often, you don’t just pack one pallet profile. The positioning of the product on the pallet varies horizontally and vertically between pallets. Depending on the horizontal and vertical edge profiles, different stretch films may be required. Understanding the differences between these profiles will help determine the right stretch film for you.

Pallet load curve "A"

The loads have a uniform horizontal and vertical edge profile. The footprint of the pallet is usually the same size as the pallet deck. Pallet load curves look most like a perfect square. They may have some edges that can pierce the stretch film, but these are the loads that are easiest to wrap and contain correctly.

Pallet load curve "B"

B loads do not have the same uniform shape as a typical A load. Patterns may be irregular, making them more difficult to wrap and contain. Your box may stick out further than the pallet deck. You will have more of one side sticking out towards the stretch film than a conventional one. You may have some objects sticking out on one side, but more evenly on the other.

Pallet load curve "C"

C loads are the most irregular of the bunch and can vary from pallet to pallet. No two C loads are alike. There will be more pronounced horizontal and vertical edges than other pallet loads. These prominent sharp edges may require more stretching skills and higher quality stretch film. These types of loads are the most difficult to wrap correctly and require more attention to the binding of the stretch film.

stretch-film

Stretch film containment force recommendations

A common misconception about stretch film is that the thicker the gauge, the stronger the film. Well, that’s no longer true. It may have existed in the past, but for today’s engineering films we have a different way of looking at loads. Here are some basic load control recommendations based on load weight.

These are just general suggestions, remember to talk to a packaging specialist to help you understand the correct stretch film containment force figures.

Fill out this stretch film form to help us find the right film for you.

  • Light loads (0 – 500 lbs): 2 – 6 lbs. Force
  • Stable medium weight loads (500-1,100 lbs): 6-8 lbs. Force
  • Heavy loads (1,100-1,700 lbs.): 8-17 lbs. Force
  • Very unstable heavy loads (1,700 – 2,200 lbs): 15 – 22 lbs. Force

Common load control problems

  • Unequal top-to-bottom stretch film containment force – potential for uneven load transfer
  • Film not overlapped correctly, creating weak areas – potential for load transfer
  • Film not wrapped around pallet at least 2″ – load transfer potential
  • Excessive force leading to product damage and crushed cases

Use the right amount of stretch film containment force

  • Knowing that you are well versed in the art of stretch film gauging, let’s see how you know which film is right for you.
  • Rite-Gauging: the fastest way to improve product protection. Figuring out which stretch film to use and how much to use can be tricky. Fortunately, with Rite-Gauging we can show you the real cost savings of switching to a better stretch film for your application. Proper measurement is simply the act of using the right amount of stretch film for the right application to wrap your pallet load. Remember, every application is different, so what may work for one company may not work for another.
  • Thinning can save you money while maintaining the structural integrity of the load. When you reduce the gauge of your stretch film, you are moving from the current film gauge to a lower gauge. With pre-stretched and engineered films, we can save you money on the lower gauge film without compromising the safety of the load. If you can save around 17% by reducing your measurements on another film, this seems like a sensible choice, right? Just have a simple conversation with us and we can guide you through the process.
  • Pre-stretched films are thinner and lighter than other films. The main benefits of pre-stretched film are price savings and shorter packaging times. On average, pre-stretched films require 10-15 times less tensile strength than other films. Pre-stretched stretch films provide excellent sealing pressure and excellent adhesion, helping to reduce break-up and tension. We also recommend using pre-stretched film for its consistency and resistance to damage. Place a roll of this film on the warehouse floor and we guarantee that it will still work.
Stretch film containment force

Pre-stretched film properties.

This film helps to reduce the following: Necking effects, the amount of wraps used, the number of damaged reels and safety hazards.

  • Better adherence to
  • Core extension
  • Better strength
  • Lighter weight
  • Reinforced edges

Wrapped in the right way

You have already understood the benefits of using the right amount of stretch film to bind and safely protect the load. The last thing you need to do now is to help us learn more about your operation. It’s time to get specific about you.

Use this form to let us know about your stretch film process. With this information, we can find a cost-effective film solution for your application.

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