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The source of kraft paper bag making is revealed!
Do many people, like Xiaobian, see the words kraft paper bag making and think that the raw material of this paper bag should be made of cowhide? In fact, it is not. Just like a fool is not a melon, kraft paper is not cowhide. Let's take a look at the true face of this kraft paper bag with the editor!
This is a kraft paper bag making with a story. The first kraft paper bag for shopping was made in 1908 in St. Paul, Minnesota, USA. To boost sales, Walter Duviner, a local grocer, started looking for ways to get consumers to buy more at once. Duvina believes that it should be a prefabricated bag that is inexpensive and easy to use, and can hold at least about 75 pounds. After trial and error, he locked the texture of the bag on kraft paper because it was pulped from conifers with longer wood fibers, treated with milder chemicals such as caustic soda and sulfide alkali during cooking, making the The original strength of wood fibers is less damaged, so the final paper produced has tight connections between fibers, and the paper is tough and can withstand greater tension and pressure without breaking. Four years later, the first kraft paper bag for shopping was born. It has a rectangular bottom and has a larger volume than traditional V-bottom paper bags. A rope runs through its bottom and sides to increase its load-bearing capacity, and two pull loops are formed on the upper end of the paper bag for people to carry. Duviner named the shopping bag after himself and patented it in 1915. At this time, the annual sales of such shopping bags have exceeded 100 million. Oh, the original raw material of kraft paper is conifer pulp, not cowhide.
The current kraft paper packaging bag is a packaging container made of composite materials or made of pure kraft paper. It is non-toxic, odorless, non-polluting, low-carbon and environmentally friendly. It meets the national environmental protection standards and has high strength and high environmental protection. One of the most popular eco-friendly packaging materials.
The kraft paper packaging bag is based on all wood pulp paper. The color is divided into white kraft paper and yellow kraft paper. The paper can be coated with a layer of PP material to play a waterproof role. The strength of the bag can be made according to customer requirements. One to six layers, printing and bag making are integrated. The opening and back cover methods are divided into heat sealing, paper sealing and lake bottom. As a recyclable and reusable kraft paper packaging bag, it has gradually replaced the position of plastic bags in today's promotion of environmental protection, and has become the first choice of consumers.
As a practitioner of environmental protection, he has also been committed to the production of paper packaging bags for 15 years. With professional production technology, he has produced thousands of paper bags to make packaging bags, and has done his best to reduce land pollution. Of course, This is thanks to every customer who has found custom paper packaging bags, and this has such an opportunity. Therefore, friends who need to customize paper packaging bags such as kraft paper bags, please remember to find the packaging.
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