[ES] Polyethylene packaging bags: types and uses

They have always been around, but the COVID-19 pandemic has made them the stars of e-commerce. We are talking about polyethylene bags, an ideal packaging solution for courier shipments.

But polyethylene bags also have many other advantages and multiple applications. Read on and you will see why you should always have them at hand in your business.

What are the advantages of polyethylene bags?

As we explained in our post on the differences between polyethylene and polypropylene, polyethylene is the most widely used polymer in the world as a base for the manufacture of plastics. As the main component of packaging bags, it stands out for its advantages:

• Resistance. Resistance to temperature variations, pressure and tearing attempts.
• Elasticity. It moulds to corners, protrusions and irregular shapes without breaking. That is why it is the material of choice for developing shrink plastic.
• Waterproof. Keeps contents safe from moisture, corrosion, liquids and dirt. Particles remain on the surface, so when products are removed from the polyethylene bag, they will appear intact.
• Price. Its production costs are very competitive.
• Recyclability. Polyethylene is 100% recyclable. It can be deposited by citizens for selective collection in the yellow containers.

High and low density polyethylene

Depending on its properties, polyethylene can be classified as high or low density:

• High-density polyethylene is harder and more robust, so it is usually used in rigid parts, such as food containers and boxes with grids for transporting fruit, vegetables, bread, etc.
• Low density polyethylene is lighter and more flexible. It is the preferred choice for the manufacture of bags.

Types of polyethylene packaging bags

In the packaging sector, there are two main types of polyethylene bags: those used for shipping and those used for packaging products, as a protective agent before placing the objects in boxes, envelopes, cases or a second bag.

1. Polyethylene carrier bags

Polyethylene messenger bags are a must in the retail and publishing market. Fashion, home accessories, magazines or catalogues benefit from a packaging that:

• Guarantees that they reach the customer in perfect condition.
• Is discreet and opaque. Does not show what is inside, thus helping to prevent package theft.
• Increases security at the last link in the delivery chain by facilitating contactless delivery.
• Minimises volumetric weight, as the bag adapts to the shape of the goods.

There are different options for polyethylene shipping bags. On the RAJA® website you will find handle bags and gusseted bags, as well as two options to meet very specific needs:

2. Polyethylene product packaging bags

Polyethylene bags for product packaging are used for a variety of purposes: as primary packaging, to protect small items from dust and dirt, or as a means of sorting parts prior to storage. The RAJA® catalogue offers you, for example:

• Polyethylene bags without zips, which can be complemented with elastic bands and plastic ties.
• Polyethylenezip bags for small items and bulk goods.
• Polyethylene bags with hook-and-loop fasteners, suitable for reuse thanks to their repositionable gummed strip.

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Make sure you have polyethylene bags in your packaging stock! Alone or in combination with cardboard boxes, they are extremely practical in any e-commerce. In the RAJA® online shop you can place your order and receive it within 24/48 hours. Save time and efficiency with us!