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The Hidden Costs of Shrink Wrapping Pallets

Wednesday, 21 March 2018 at 10:53

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As early as the 1970s, a large segment of British industry realised the benefits of pallet unitisation. By making one big pallet load out of many smaller goods productivity dramatically improved and the chances for shipping damage were reduced. It didn’t take long for loads of goods on pallets with shrink wrapping to become the most widely used material handling method for shipping products.

The Era of Shrink Bags

Some of the earliest pallet unitisation efforts were accomplished with ovens heating a hood of film placed over the load, with the heat then shrinking the film to secure the load.

However, the energy crisis during the 1970s led to increasing energy costs and, as a result, increased costs for shrink bagging loads. This rise in costs had people looking for a more cost-effective way to accomplish the same damage reducing benefits of load unitization without the prohibitive cost of shrink bags.

Shrink Wrapping to the Rescue

 That is where shrink wrapping came in. In the 1970's Pat and Bill Lancaster invented shrink wrap as we know it with the goal of eliminating these energy issues and the quality issues associated with hand.

Today, shrink wrapping has become dominant method of unitising pallet loads for shipment. It's fast, efficient, inexpensive, and remarkably effective when done properly. Since Pat and Bill's first machine, a variety of types and models of shrink wrappers have evolved to meet virtually any shrink wrapping requirement - large or small - or to fit any application. 

Hidden Costs

An off-shoot of shrink wrapping with a machine was shrink wrapping by hand. This involves a person walking around a pallet load while wrapping it with a hand-held roll of shrink wrap. Although this method is still in use today, it is inefficient in several ways.

One of the downsides of hand wrappingis that any time you have a human doing a redundant type of job like pallet wrapping, there is a possibility for injury. Not only does an injury disrupt the process, but it also results in down time for the employee and the added costs for medical care, workers compensation and the like. Plus, if the injury is debilitating enough, a new employee must be hired and trained, which takes even more time and money.

Further, hand wrapping typically uses more shrink wrap than a machine. Many shrink wrapping machines pre-stretch the film up to 200 percent or more. Two hundred percent pre-stretch, for example, turns 1 foot of film into 3 feet of film, dramatically reducing film consumption and cost.

The biggest problem with hand wrapping, however, is inconsistency. Operators just aren’t as consistent at wrapping loads as machines. Sure, operators have the potential to wrap several, good loads in a row, but it’s hard to do it well each and every time.

Shrink Wrapping with a machine is the Answer

In virtually every scenario, you can avoid the hidden costs of manual pallet wrapping by going to machine shrink wrapping. You'll save money by reducing your film usage, you'll have less worry about employee injuries than if they were wrapping a pallet by hand, and machine shrink wrapped loads are more likely to be pallet bonded than a load wrapped by hand.

That's why shrink wrapping is the answer every time you wrap up and ship out a pallet.

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