Fair price What kind of material is made of kraft paper in kraft paper bags? Purchasing, Supplier Manufacturer Quotes

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What kind of material is made of kraft paper in kraft paper bags?

In the early days, kraft paper was really made from the calf's skin. Of course, this kraft paper is only used when it is used to make the drum skin. The kraft paper used for your book is that after people learn the papermaking technology, the wood fiber of the conifer is chemically pulped and then placed. It is beaten into the beater, and then added with rubber, dye, etc., and finally copied into paper in the paper machine. Because the color of this paper is yellowish brown, the paper is tough, much like cowhide, so people call it kraft paper.

 

In fact, the manufacturing methods of kraft paper and plain paper are not much different. Why is kraft paper stronger than plain paper? This is mainly because the wood fiber used for making kraft paper is relatively long, and when cooking wood, it is treated with caustic soda and alkali sulfide chemicals, so that their chemical action is relatively mild, and the original strength of the wood fiber is damaged. It is relatively small, so the paper made from this pulp is closely related to the fiber and the fiber, so the kraft paper is very strong.

 

Kraft paper is a tough, water-resistant packaging paper that is brownish yellow and has a wide range of uses. It is commonly used in paper bags, envelopes, record covers, files, and sandpaper. The quantitative range is from 40 g/m2 to 120 g/m2. There are differences between single-sided, double-sided and striped in web and flat paper. The main quality requirements are flexible and strong, with high bursting resistance, and can withstand large tensile forces and pressure without breaking.

 

Kraft paper has a high tensile force, such as single light, double light, stripes, and no grain. Mainly used for wrapping paper, envelopes, paper bags, etc. and printing machine drum lining.


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