5-layer carton box - Characteristics and typical applications

22/04/2024

5-layer carton boxes have become a worthy investment choice when packing goods for export and long-distance transportation to provinces and cities nationwide. Not only because of its excellent bearing capacity, but also its reasonable price when mass produced.

In addition, 5-layer carton boxes have other names such as double-wall corrugated box or 5 ply carton box. Today's article will introduce in detail its structure, characteristics and common applications.

1. The definition of 5-layer carton box

As the name suggests, this is a type of carton with 5 layers, including 2 layers of corrugated paper and 3 layers of flat paper. The paper and corrugated are arranged alternately to create a sturdy, impact-resistant carton structure.

Besides, 5 ply carton boxes are often used to package and transport large products weighing over 15kg, such as furniture, exteriors, refrigeration equipment, and electronics.

>>> Classification of the most common uses of carton boxes

2. Structure and uses of 5 ply corrugated box

Typically, a 5-layer carton will have the following composition:

The surface layer is the outermost part of the box, which directly contact with external influences. On this side, a layer of beautiful and smooth paper will be used for printing or coating.
The middle layer will have a structure of 1 corrugated – 1 paper – 1 corrugated. Typically, 5 ply carton boxes use a double corrugated structure to optimize strength, such as BC flute, BE flute, EE, or EF flute.
The inside layer is similar to the surface and will be a flat layer of paper. In addition, the inside can be coated with a water-resistant layer or wax if it is a carton packed with frozen goods.

Each layer is important and has its own use, complementing each other to create a complete five-layer carton.

3. Advantages and limitations when mass production 5-layer carton boxes

Advantage:

Good-price double wall carton boxes will be optimal and cost-effective when mass production.
The sturdy structure is suitable for packing large loads, minimizing impact and risks during transportation.
Producing highly recyclable packaging is a way to demonstrate business responsibility and environmental protection.
5 ply carton boxes meet international requirements which opening up opportunities to export goods.

Limit:

Only suitable for humid environments if carton moisture has been tested before production.
With a 5-layer structure, cartons of this type are often heavy which increasing shipping costs.
They are not optimized for packing lightweight items such as fashion, shoes, cosmetics, or toys, etc. However, 3-layer cartons will be suitable for these items.

4. Classification and application of double wall corrugated boxes

5-layer carton boxes are divided into 2 types: unprinted brown carton and offset/flexo-printed carton box.

5 ply unprinted carton (brown carton box, shipping box)

This type's characteristic is that the cartons are available in common sizes with no information printed on the outside, and they are not used for promotional and commercial purposes.

The 5 most common applications of sturdy and unprinted 5 ply carton boxes include:

Carton box for packaging goods
Dosmetic and export shipping packaging
Waterproof container for storing fruit
House moving cartons packaging

>>> 5 Unique recycling ideas for cardboard boxes

Eye-catching 5 ply carton with offset/ flexo printing

The smooth surface is suitable for offset or flexo printing to produce high-quality carton packaging. Some industries suitable for producing double wall printed corrugated boxes are: