March/April 2022

Shrink wrap bags help keep food fresh, protected
By Brent Lee, guest columnist

Do you want to keep your food fresh and protected? If so, shrink wrap bags are a great solution.

Shrink wrap bags are made of shrink film, which is a material that shrinks when heated. This means the bag will shrink around the food, creating a tight seal that will keep out moisture and air. Shrink wrap bags are also puncture-resistant, making them ideal for protecting food from damage. Let’s look at the benefits of using shrink wrap bags to protect your food.

What are shrink wrap bags

Shrink wrap bags are made of polyethylene terephthalate (PET) or polyvinyl chloride (PVC). They are used to package products that need to be protected from the environment and that will be heated in a shrink tunnel.The film is placed around the product and then heat is applied. The heat causes the film to shrink and form a tight seal around the product. This protects the product from moisture, dust and other contaminants. It also prevents the product from being damaged during shipping.

Shrink wrap bags are used to protect, package and market products. They are often used for food products such as candy, nuts or potato chips. The bags can also be used for non-food items such as toys, hardware or pharmaceuticals.

The benefits of shrink wrap bags

Shrink wrap bags are an excellent way to store food. They’re made of a thin plastic film that shrinks when heated, providing a tight seal around whatever you’re storing. This makes them an ideal way to keep food fresh and protected against pests.

There are a few things to keep in mind when using shrink wrap bags. First, make sure the food is completely dry before sealing it in the bag. Second, never heat the bag more than necessary — too much heat will cause the plastic to melt and could potentially release toxins into your food. Finally, remember to label the contents of each bag so you know what’s inside.

How to use shrink wrap bags to store food

Shrink film bags are a great way to store food, especially if you want to keep it fresh and avoid freezer burn. To use them, start by putting the food you want to store in the bag, then seal it up tight.

Next, put the bag in boiling water for a minute or two until the film shrinks tightly around the food. Make sure to remove any excess air from the bag before you shrink it, since this will help prevent freezer burn. Once the film has shrunk, your food will be securely sealed and well-protected from the elements.

Types of shrink wrap bags available on the market

Shrink film bags are a great way to protect and store your products. They come in a variety of sizes, and you can choose the type of bag that best suits your needs. There are three main types of shrink film bags: PVC, Polyethylene and Polypropylene.

PVC shrink film bags are the most common type of bag. They’re made from durable PVC plastic and offer good protection for your products. Polyethylene shrink film bags are thinner than PVC bags but offer excellent clarity and durability. Polypropylene shrink film bags are the thinnest and most flexible type of bag, making them perfect for delicate items.

Which shrink wrap bag is best for you?

When it comes to shrink wrap bags, there are a few things to consider. The first is what you’ll be using them for. If you’re packaging something that needs to be airtight, then you’ll want a bag with an airtight seal. If you’re packing something that doesn’t need to be airtight, like clothing or blankets, then you can use a bag without an airtight seal.

The second thing to consider is the size of the bag. You’ll want to choose a bag that’s the right size for your item. And finally, you’ll want to choose a bag made from a material that’s strong enough to protect your item. PVC is the cheapest but it’s also less durable and not as environmentally friendly as the other two options. Polyolefin bags are more durable but they’re also more expensive. Polypropylene bags are a good compromise between durability and price.

Brent Lee is the CEO of Custom Packaging Products, a full-service packaging supplier and contract packaging company specializing in industrial packaging, packaging fulfillment and custom package design.


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