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Why Wet kraft paper tape has different colors!

Article provenance:未知 Popularity:Time:2020-08-05 08:43
Many enterprises will find a problem when purchasing the wet kraft paper tape. Sometimes, the same kind of wet kraft paper tape will have different chroma and hardness.
 
Many people can't understand this situation. They often think that the quality level of the wet kraft paper tape produced by the manufacturer is not uniform, or that the manufacturer has added different quality paper into the product to fill it well.
 
In fact, this idea is not necessarily correct. In view of the different chroma and hardness of the wet kraft paper tape, we will introduce them one by one
 
As we all know, the main raw material of the wet kraft paper tape is plant fiber, and the most common one is the wet kraft paper tape made from the wood fiber of coniferous trees, because the content of plant fiber will affect the hardness of the paper, and the higher the fiber content, the higher the hardness of the paper.
 
In the process of papermaking, if raw materials such as rag bark are added, the toughness of the paper will be improved. Therefore, the fiber content of different varieties of trees is different, and the fiber content of trees in different regions is also different. Therefore, the hardness of the wet kraft paper tape produced is naturally different.
 
As for the color problem of kraft paper, there are many factors that affect it. From the perspective of raw materials, the colors between trees are different, and different colors will be produced according to the age, season and region of trees.
 
And in the process of papermaking, the temperature factor will also affect the color of the paper.
 
In addition, wet kraft paper tape in the manufacturing process will also have the dyeing process, then in the dyeing process, the different color proportion in the dye will lead to a certain color difference between the wet kraft paper tape products.

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