What is a Flute in the Corrugated Box?

The overall designs of the corrugated boxes have greatly evolved in the last few years.

It is a known fact that an arch with a proper curve is beneficial in the design of such products.

As a result, when corrugated boxes are manufactured, the principles of fluting are applied to make the boxes more useful for people.

It would not be wrong to say that corrugated boxes have never been more popular than this era because the global pandemic has increased the usage of carton boxes all over the world.

Customers are ordering a wide range of products online. As a result, carton boxes are being used extensively in many different industries.

What is a Corrugated Cardboard?

Corrugated cardboard is a strong packaging material that consists of three layers of kraft paper. This material is called corrugated because the interior layer of the board is wavy. This layer is mainly responsible for providing strength to the corrugated box.

As three layers are present, the overall strength of the corrugated cardboard is much stronger than regular cardboard.

What is a Corrugated Box?

As the name suggests, corrugated boxes are made up of corrugated cardboard. These boxes are made after the cardboard goes through the process of trimming and folding to create cartons of different shapes and sizes.

The purpose of this article is to discuss corrugated box fluting and its different types.

What is Corrugated Box Fluting?

Corrugated box fluting means reinforcing the corrugated board that is parallel to the depth of the carton box. The purpose of this process is to give rigidity and strength to the entire box.

Moreover, fluting also provides insulation that safeguards temperature-sensitive products.

Sizes of Corrugated Flutes

According to industry standards, there are different types of corrugated boxes. These types are represented by letter A, B, C, E, or F.

Generally, C flute corrugation is the most popular size of flute corrugation. It is important to note that the order of these types of flute corrugations does not refer to the size of the carton boxes. Instead, it indicates the order in which the different types of flutes were introduced.

A-Flute Cardboard

A-flute cardboards are known for having reliable compression and cushioning. As a result, it has a massive stacking strength. Such cardboard boxes are usually used in the packaging of fragile items. It can also be used for a double-wall application because it has about 36 flutes per foot.

B-Flute Cardboard

B-flute corrugated boxes are usually used in the packaging of canned products. The B flute offers the second-highest arch size with 49 flutes per foot. It provides reliable stacking strength and good crushing resistance.

Retail packaging, food industry packaging, and customized printing industry are some of the major applications of B-flute cardboard.

C-Flute Cardboard

As stated above, C-flute cardboard is the most commonly used type of corrugated box flute. It can also be called an all-in-one flute that has 41 flutes per foot to provide good strength and printing properties.

It is used in many industries to package a variety of products like food items, glass, and furniture objects.

E-Flute Cardboard

According to the available statistics in the packaging industry, the second most commonly used corrugated box is the E-flute cardboard. It is an eco-friendly type of packaging due to the fact that most of the companies have started shifting towards this reliable solution.

You can easily print high-quality graphics on E-flute cardboard because it has 90 flutes per foot. Any company and industry that is looking for eco-friendly packaging can use E-flute carton boxes.

F-Flute Cardboard

With 128 flutes per foot, the F-flute cardboard is also emerging to be a highly popular type of corrugated boxes. It is also an eco-friendly substitute for traditional cartons.

Due to a large number of flutes, the overall design and quality of the F-Flute Cardboard are quite impressive. Many different businesses and industries like cosmetics, jewellery, and fast-food chains are using corrugated boxes with F-flutes for packaging.

The Bottom Line

There are many different benefits of using a corrugated box. Such boxes are designed to support a significant amount of weight. Moreover, the applications of corrugated boxes are not limited to any one particular sector. Instead, all types of businesses and industries can enjoy the benefits of corrugated boxes.

We hope this post can facilitate you in choosing the best packaging for your company. The empty spaces between the flutes play a critical role in providing cushioning and insulation to prevent damage from extreme temperature changes.

In short, the corrugated boxes help you in protecting the products and transporting them in a safe and efficient manner.