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Stretch Film Vs Shrink Film -What is the difference?

Stretch wrap and shrink wrap are the top two packaging solutions that most businesses rely on when it comes to keeping palletized goods secure while in transit, retail, and storage. Both terms, shrink wrap and stretch wrap, are used interchangeably causing it to be tough to differentiate as both stretch film and shrink film appear alike. Let’s discover the differences between the two, and which is best suited for your business.


Stretch Film/Wrap

This type of film is used to secure packaged goods on a skid. As you wrap this around a pallet, tension is applied, allowing the film itself to stretch/extend over 200%. The constructive force (tension) is what holds the shipment in place. This film is generally made from polyethylene.

Discover the different kinds of stretch film we offer.

  1. Hand stretch film 

Hand stretch film is used to secure loads by a manual procedure. The film rolls are usually shorter and lighter in weight than any other stretch film. These hand rolls are usually between 1,000 and 2,000 feet long, with the most

common roll length being 1,500 feet. This film typically ranges between a 30-130-gauge thickness, most popular being the standard 80Ga. The 80-gauge film usually has a 75%-150% stretch rate depending on the manufacturer. Hand stretch film is popular among low-volume packaging operations.






  1. Machine Stretch Film

This film is designed to be utilized with a stretch wrap machine. Machine stretch film is typically used in environments that have high-volume packaging operations. Next, we will learn about the different types of machine stretch film:


Pre-stretched film 


This film has been pre-stretched during the manufacturing process. Meaning, it has been stretched closely to its breaking point, approximately 90%, and then rolled onto cores. Because of this process, these films have thinner gauges than your usual stretch film. Pre-stretched film is known for good shrinkage, self-adhesion, thick texture, high transparency, and a high puncture resistance.  Some advantages of using this type of stretch film are that there is less waste disposal, less transportation energy consumption, and less exhaust emissions.


Cast stretch film  


This film is created through a cast extrusion process. This is when heated resins are fed through multiple cooled rollers which then solidify the stretch film. This process is cost-effective and is less expensive than the blown film process. This film is known as a general-purpose wrap and can be used various environments for a wide range of tasks.






Blown stretch film 


Like the cast film, this type of film uses its own process called the blown extrusion process. Heated resins are blown into a bubble which is then converted into a sheet. The sheet is then rolled and put on a core.  This film is a bit more expensive than the cast film, but is much stronger, has a greater puncture resistance, and has more stretch. Therefore, you can get more with less which means there is not a significant difference in cost savings either way.


Read on to discover about shrink film.

Shrink Film/Wrap

Shrink film is generally used to wrap the product itself rather than the cased goods on a pallet. This film is used on products like fresh produce, electronics, frozen food, and other goods. When heat is applied to this film, the plastic shrinks tightly around the product within to fit appropriately. The heat is applied with either an electric or gas heat gun or, a conveyer heat tunnel.


Continue to discover the types of shrink film.


  1. Polyolefin Shrink Film

With 80% shrinking properties and better transparency, polyolefin shrink film remains odourless when heated or cooled. This film is best used to wrap food products like cauliflower, cabbage, meat, bakery items and frozen pizza. It can also be used for non-food products such as beverage bottles, candles, cosmetics and much more. Polyolefin film is also printable.


  1. Polyethylene Shrink Film

Polyethylene offers less transparency and lower clarity than other films but carries thicker characteristics, making it more durable. This film tightens itself around a product using cool air during the last stage of the packaging process. Polyethylene film can reach a thickness of up to 1200 gauges. This type of film is generally used for applications like wrapping boats, multi-pack beverages, and other heavy items.

If you are still unsure of what film is best for wrapping your products, reach out to our sales team and we’ll have one of our wrapping gurus stop by!

Sustainable Void Fill – Reduce Plastic Usage!

The main priority when packaging products is to ensure they are protected. Void fill is a protective packaging material which is used to cushion or pad your product so that it does not shift in transit. This is also known as a “filler”, and is purposed to fill the empty spaces in your packaging boxes.

The 2022 Buying Green report found that consumers are 57% less likely to buy products in packaging they consider harmful to the environment, proving sustainable packaging is of high importance to many consumers. Read on and explore your options for eco-friendly void fill, so you can make the switch from foam or plastic, to sustainable alternatives!

Biodegradable Peanuts

One of the most well-known void fill option is packaging peanuts. Little peanut-shaped foam pellets are used as a filler, in bulk, to prevent movement in packages. However, as eco-friendly alternatives increase in popularity, there are now biodegradable peanuts available. These are not only cost-competitve, but also protect and cushion with the same quality as regular polystyrene peanuts. You are saving money, and the planet, all while protecting your product!





Bio-Film and Paper Pillows

AirWave® bio-film and PaperWave paper pillows are excellent alternatives for your void fill needs. Paper pillows are made from 80% recycled paper, making them biodegradable and fully waste paper compliant. These simply disolve with paper waste and/or biowaste. This product also carries the RESY symbol (DIN 6120) which allows for easy-sorting as paper waste in waste paper systems. In addition, bio-film pillows are made from potato starch and maize starch, making them composed of renewable raw resources which are fully compostable and 100% biodegradable. When discarded of, bio-film takes three months to break down; used bio-film can also be composted in your home!

Both paper, and bio-film pillows, require AirWave® machines. Please visit for more info

Green Line Paper

This void fill option is made from 100% recycled paper and is compatible with Fillpak and Trident fanfold converters. Green Line paper is a fantastic shock absorber, and protects fragile items from the adverse conditions which can arise in the shipping process. This voidfill paper is FSC®-certified, curbside recyclable, renewable, and biodegradable. Going Green Line is an economical and easy-to-use void fill solution, which scores cost-savings!

If you are unable to determine the best choice of void-fill material for your needs, contact us and we’ll send a packaging expert your way to assist you better!

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