What is kraft paper? | Review of structure, advantages and applications

Author Name: Maryam Heydari
What is kraft paper

With increasing environmental concerns, the popularity of green paper products is increasing. One of these products is kraft paper, which is used in a wide range of industries. Brown gift papers, kraft cardboard, shopping bags, packaging cartons, potato and pizza boxes, coffee mugs and many other examples can be mentioned, all of which use this beautiful and lovely paper. In this article, we are going to first answer the question “What is kraft paper” and then examine the raw materials, their differences with other papers and their uses, so stay with us until the end of this article about Kaveh papyrus paper.

What is kraft paper?

Kraft is derived from the German word “strong” and kraft paper is exactly that! Kraft paper is a packaging material that takes its name from the kraft pulping process pioneered by Carl F. Dahl of Germany in the 1880s. Normally, in paper production, wood is pulped first, but Dahl discovered that processing the cellulose pulp with special chemicals (sulfates) increases the strength of the paper.

Raw kraft is a durable, tear-resistant and brown-colored product thanks to the kraft pulping process. Kraft paper is perfect for creating durable wrapping paper, sturdy cardboard, and rigid boxes. Originally used as a packaging material, kraft paper’s durable and strong nature made it popular for packaging such as the classic brown cardboard box we all know today.

kraft paper

Kraft paper advantages

What is the reason why kraft paper is a bestseller? Kraft paper is used for many industrial and commercial applications due to its strong properties. In addition to producing cartons and boxes, it is used as a protective layer in transportation. This paper is also used in processes such as building repairs and painting. But what are the advantages of kraft paper that have made it popular? Let’s have a special look at them:

1- Strength and power

As we said in the previous section, this paper is durable and can withstand extreme pressures and protect the equipment properly. Although lower quality and cheaper papers have become popular recently, none of them have the strength of kraft paper. Because of this valuable feature in any industry, Kraft offers a high level of quality. Cartons made with kraft paper have more strength to carry heavy items.

2- Anti-slip and protective structure

This paper is anti-slip, so using it between layers of boxes, bags and other items will reduce breakage and protect products in transit. This feature is especially important for large industries. The use of kraft paper sheets increases the speed of sending, moving and packaging products in factories and reduces the failure rate, thus reducing additional costs in the long term. On the other hand, in small packages, kraft paper can be used instead of paper bags around the products.

3- Low impact on the environment

Kraft is biodegradable and the variety of raw materials in it is small. This paper can be recycled and after recycling it can be used to make new paper rolls. Another important point is that the craft is made of a natural and non-toxic material. Therefore, it does not pose any threat to nature after use. The production process of kraft packaging is also environmentally friendly.

4- Cheap price

This paper has a low overall cost and for this reason it has found its way in many industries. The final cheap price of kraft paper has become a good reason for its use in making packaging and other applications. Of course, completely recycled paper, such as liner paper, has a much lower price.

5- Hygiene

As we explained above, kraft is created from paper pulp and no chemicals are used in its structure. As a result, kraft paper can be used in the food, drug and beverage industry without any special concerns. The reason for its use in making all kinds of pizza boxes, glasses, medicine packages and sanitary ware is also the same feature.

6- Suitable for small packages

You’ve probably seen boxes made of kraft in countless industries. The box of many works of art, sculptures, decorative items, etc. is made of kraft. Its low cost and high production makes it suitable for making all kinds of daily used boxes. Even pizza boxes and paper cups can be made from kraft. Kraft can be cut to any size.

7- Appropriate coverage

One of the common uses of kraft paper and cardboard is to cover the floors of buildings and houses during renovation. These papers are easily placed on the flooring and prevent possible damage to it. For example, consider the parquets of the house, many damages may be done to them during the renovation, but using a protective layer of kraft reduces the possibility of such an event to zero. For this reason, it is quite common to use it in construction and renovation projects of residential and office units. Kraft is a great solution for covering walls while painting.

Is kraft paper waterproof?

All paper is ultimately made of wood, so many people think that paper must have the same structure, which is completely wrong. Even trees are not completely waterproof and water and moisture seeps into them to survive. It doesn’t matter if it’s regular or kraft paper, none of them are completely waterproof. Of course, it is possible to increase the resistance of kraft against water by adding materials so that it can be used for special purposes such as food packaging. But it is not completely waterproof. Placing cardboard craft in humid environments will cause its texture to fall apart after a while.

application of kraft paper

Applications of kraft paper

Kraft is used in a wide range of industrial and commercial applications as a result of its high tear resistance, strength, moisture resistance and impressive quality. This paper is used in various industries such as the following:

  • Transportation
  • Food and sanitary packaging
  • Paper and cardboard for books
  • Packaging Industry
  • Art and decorative items
  • heavy Industries
  • Adhesive tapes

In the end, it is necessary to mention that if you are looking to reduce the cost of making all kinds of cartons, it is better to use liner paper instead of kraft. Iranian liner is completely made of recycled materials and causes less damage to nature. Kaveh Papyrus liner paper with the possibility of production with low water absorption and without tearing, have exactly the same performance as kraft paper and cardboard. Kaveh Papyrus Paper is a producer of all kinds of packaging paper and cardboard with a completely green structure. Enter this page to view the list of products. If you have any questions about the structure of types of kraft paper that we have not answered in this article “What is kraft paper”, write us in the comments section.

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