Applying shrink wrap to items protects them from the elements and unwanted damage. However, like in any application process, people can make mistakes that threaten the wrap’s ability to provide protection. Here are five common mistakes to avoid when applying shrink wrap.

Ballooning

One common mistake is ballooning, which is when the wrap experiences exposure to hot air after you seal it. The air inside expands, which causes the shrink wrap to balloon.

You can prevent this by using a pre-perforated wrap, which features vent holes. You can also prevent it by limiting the amount of excess air when wrapping the item.

Dog Ears

Another common mistake to avoid when applying shrink wrap is not shrinking down the wrap enough. This mistake results in triangle-shaped protrusions known as dog ears at the corner of the package.

You can correct this mistake by re-evaluating the heat on your shrink gun, so you wrap the package without damaging it. You should also check to ensure you have the right size of shrink wrap, since a too-large size of wrap can cause dog ears.

Holes

A common reason for shrink wrap breakage is applying too much heat. During the wrapping process, you will use the heat gun to create a seal with the wrap by warming it up and fusing it. But if you use too much heat, the wrap will melt.

This error can cause it to break and form holes that you can fix with shrink wrap tape. It is also a good idea to be careful with the heat gun’s settings and take your time as you pass over the wrap to avoid causing damage.

Fish Eyes

Another common error is not applying enough heat when you shrink-wrap an item. A sign you did not complete the wrap with enough heat is seeing round patterns form in the plastic. These patterns are known as fish eyes.

These can give your packaging an unprofessional appearance. However, you can prevent them by making sure your heat source sends out enough air. Additionally, ensure that your packaging line gets regular maintenance to reduce the error rate.

Bad Seals

When sealing a product, make sure you use a thick-enough wrap. Otherwise, the seals may split, resulting in the items suffering damage or becoming lost during the shipping process.

You can prevent this by ensuring your wrap is thick enough and checking your sealing wire to ensure it is not too hot or too cold. Furthermore, make sure your clamp applies pressure evenly.

By avoiding these errors, you will better protect the items you wrap. This will help your business flourish, and your customers will stay satisfied.

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