Kraft paper, also known as craft paper, kraftliner or craftliner, is a particularly strong paper that plays an important role in the printing and packaging industry. The name ‘Kraft’ comes from the German word for ‘strength’, which describes the main property of this material well. It is mainly made from wood fibres, which are prepared in a special process known as the Kraft process. In this process, the wood chips are chemically treated to separate the cellulose fibres from the lignin. The result is long, resistant fibres that give the paper its strength.
This paper has a natural brown colour, but can also be bleached or dyed in different colours. It is very tear-resistant and resistant to mechanical stress, which makes it ideal for packaging heavy or bulky goods. It is often found as the outer layer of corrugated cardboard used for transporting goods.
Another common application for kraft paper is carrier bags and envelopes. Carrier bags made from kraft paper are very popular in the retail sector as they are strong enough to transport purchases home safely. These bags are often printed to display a shop’s logo or advertising message. Kraft paper envelopes are also useful, especially when it comes to sending documents and smaller items securely.
Kraft paper can also be found in labels and tags, especially in the fashion and food industries. They give products a rustic and natural look. Kraft paper is also popular in the printing sector, especially for printed matter that is intended to convey an environmentally friendly or handmade impression. Although the print quality on the rough surface is not as good as on smoother papers, the natural look has its own charm.
A major advantage of kraft paper is its environmental friendliness. It is fully recyclable and biodegradable. Many manufacturers make sure that the wood used comes from sustainably managed forests, and unbleached kraft paper also saves on chemicals, which further reduces the ecological footprint.
To summarise, kraft paper is a strong, versatile and environmentally friendly material that is used in many areas of the printing and packaging industry. It offers practical benefits and aesthetic qualities that make it a popular choice for businesses and consumers who value sustainability.
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