Shrink Wrap: Everything You Need To Know

shrink warp

Shrinkwrap, also known as shrink film, is composed of polymer plastic films. It works on the following principle: when you apply heat on the shrink wrap, it contracts (shrinks) and thereby, covers the material that it is supposed to protect. Usually, the heat applied through an electric or a hand-held gas gun and the product plus film passes through a heat tunnel on a conveyor belt. 

One of the most commonly used composites in shrink films is a polyolefin. Shrink wraps made in PVC, polyethene, and polypropylene, among other materials. 

Shrink Wraps: Operating Principle

Shrink wraps allow only the passage of carbon dioxide and oxygen. Since it restricts the flow of any other gas, it protects the substance underneath from contamination. Additionally, shrink wraps made using the advanced Antifog formula prevent water condensation inside the surface. As a result, the products to retain their quality and texture.

Shrink wraps are thin, highly flexible and elastic. These versatile films find usage in a gamut of applications. The transparent and stretchable wraps offer a layer of protection to any goods they cover. Below are some of the industries that widely use shrink wraps.

Applications of Shrink Wraps 

Food & Beverages

Shrink films find the maximum use in the food and beverages industry, especially during the shipping and storage of consumables when food products shipped over long distances, commonly stored in containers. Without proper packaging, this can lead to spoilage and contamination – because of transportation impacts, changing environment and climate, and shelf life. However, if the manufacturers package their products in shrink wraps, the food will be fresh for a longer period of time . 

Construction

Shrink wraps are used in the construction industry to wrap buildings such as roofs with shrink films after a hurricane, an earthquake, a tornado, or any other natural calamity. It also promotes safe and effective removal of harmful contaminants such as asbestos and lead.

Books

Manufacturers additionally use shrink wraps to cover adult-oriented books and high-quality comics and manga. Several book enthusiasts prefer their novels or comics in the original mint condition. If anyone views the products without any cover to protect them, the items may become unsaleable. In such a scenario, shrink wraps come in handy.

CDs & DVDs

CDs and DVDs usually sold in covers or boxes that have an additional protective layer of shrink wraps—frequently utilized in packagings such as cartons, boxes, beverage cans and pallet loads. Again, if you are using foam as a cushion to prevent the breakage of fragile items, you can keep it safely in a shrink film, without using the conventional corrugated box. 

Conclusion

Shrink films are affordable and ensure the additional protection of goods. Moreover, you can also find the wraps in eco-friendly and recyclable options. What’s more? See-through shrink films allow customers to see a product before they purchase it. Yes, the advantages are many. And if you wish to adopt a more affordable, efficient, and secure method of safe transit of your goods, shrink wraps is a packaging solution.