While direct contact/retail/primary packaging has been receiving all of the attention and well deserved scrutiny of the world, secondary packaging, without much attention at all, been has been quietly filling our landfills.
Trouble by the Pallet
It is estimated that the stretch film market - that nearly invisible product used to wrap pallets - is over 1.5 billion pounds annually. Stretch film is used for load retention and containment to get a product from one place to another. But after the product is received and the stretch wrap removed, it may well be re-palletized and then, of course, re-wrapped in more stretch film. If it sounds silly and wasteful, understand that scenario is probably played out tens of thousands of times each day between manufacturers, distribution centers and retailers. Guess where most of these 1.5 billion pounds wind up?
I admit my company sells stretch film and I suspect many may categorize it as a necessary evil because it is an excellent way to unitize and protect a load during shipment. For most loads, it can also help to avoid plastic or metal strapping, Strapping may not result is as much secondary packaging waste, but disposal is difficult, can be dangerous (ask anyone who has ever worked with it) and without costly, inflexible automation, the strapping process is labor intensive.
Fill Voids, Not Landfills
For the purpose of this discussion let’s acknowledge the difference between interior packaging and void fill products. Interior packaging is typically used in cushioning applications and can be constructed of a wide variety of flexible and rigid foams or of corrugated design. We usually see this around electronics and other high cost products that are susceptible to damage in shipment, especially from overseas. The volume of this waste is probably greater than anyone would suspect and the shame of it is that most of the foam products can be eliminated with good corrugated designs. That would make a great subject for an article but for now let’s focus on void fill materials.
Void fill packaging materials are used to protect the product(s) being shipped when the outer, shipping case is larger than the products. This is most common in pick and pack operations where orders tend to each be different in size, shape and weight. Most cases you receive are usually filled with some form of paper product (newsprint, indented, bogus, Kraft, etc.), bubble sheets, with one of many commercially available inflatable products, or loose fill materials including the much maligned (deservedly I believe) foam peanuts and shells.
With so many options and manufacturers involved in the void fill industry, it is impossible to determine or accurately estimate the amount of waste being generated. However, I think we can all agree the total volume is substantial. Just check the local landfill and you’ll see that voids in boxes is not all these products are filling.
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