< Back to Materials
Shrink Film: The Versatile Packaging Solution
Shrink film, often referred to as shrink wrap, has become an indispensable packaging material used by manufacturers, retailers, and consumers alike. This versatile plastic film can conform to the shape of a product when heat is applied, creating a tight second-skin finish for stable and secure packaging. From food to electronics, toys to books, shrink film is the go-to choice for protecting products in storage, transport, and display.
What is Shrink Film?
Shrink film is a thin polyethylene plastic film that shrinks in size when heat is applied. The film starts slightly larger than the product it will cover. Once the heat from a shrink wrap machine or heat gun hits the film, it shrinks down snugly over the contours of the product. This provides a transparent, form-fitting package that secures the contents cleanly and attractively.
Shrink film is available in a range of thicknesses, strengths, and shrink ratios to accommodate different applications. It can be purchased on rolls or as tear-away sheets with perforations so pieces can be torn off as needed for versatility. Some types have additive barriers that provide enhanced moisture, oxygen, or light protection for contents.
Key Benefits of Using Shrink Film
There are many reasons shrink film has become ubiquitous as a protective packaging format. Some of the key benefits include:
Tamper evidence: Heat-shrinking a tight layer of film over a product makes it evident if the package has been opened or disturbed. This deters shoplifters and reassures consumers of an untouched product.
Protection: The second-skin finish shields contents from dust, moisture, oxygen, and light damage during storage and transit. Fragile products travel safer in the snug fit of shrink wrap.
Stabilization: Shrink film immobilizes products and prevents shifting or coming apart in the packaging. This allows for secure stacking and easy handling.
Display: The transparent film provides instant full product visibility while maintaining clean containment. Packages keep products pristine for attractive retail presentation.
Lower cost: Shrink film maximizes material efficiency with high clarity and strength at low gauges. It can be produced economically and used sparingly with custom-fit applications. The result is cost-savings versus alternatives like boxes and pouches.
Recyclability: Some shrink film is recyclable with and many shrink film manufacturers are continuing to develop better recyclability throughout their product offering. The goal being to keep plastics out of landfills and supports sustainability initiatives.
