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What Does The Tensile Strength Of A Paper Depend On?

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Universal Engineering Corporation

The first question would be, how will you find out the tensile strength of the paper?

Well, with the help of UEC’s most reliable and high-accuracy tensile strength tester, we’d say.


Now that you have a tensile tester near you, you can determine the parameter in the first go and with high precision. If the results come as expected, you can proceed toward other tests. If the outcomes are not satisfactory and there is a huge scope for improvement in the tensile strength of the paper, you must read this article.


A paper’s tensile strength is often the most significant parameter paper manufacturers determine and ensure before they sell their papers in the market. Different papers have different tensile strengths and requirements of tensile strength. To achieve the desired tensile, manufacturers have to understand the factors on which this parameter depends. 


In the following article, we are going to throw light on these valuable factors. So, let’s have a look. 


Factors affecting the tensile strength of a paper


  • The fiber structure

The first thing that defines the tensile strength of the paper is the structure of its molecules or fibers. In addition, the length, strength, as well as bonding of the fibers also plays a significant role here. Besides, the direction of the fiber and, of course, the intensity of refining done given to the fiber largely define the tensile strength of the paper. Be it printing paper or packaging paper, it is important for the manufacturers to understand the paper’s fiber to manufacture a paper of the desired tensile strength.


  • Composition of the paper

It is also vital to know the composition of the paper, i.e., of which raw material, the paper is made. This is because different sources or raw materials will have different characteristics, qualities, and molecular structures. These factors will ultimately define the tensile strength of the paper. Besides, the paper industry, manufacturers of textiles, plastics, polymers, etc. also make use of the tensile strength tester to perform this test. 


  • Temperature 

Besides the composition and the fiber/molecule structure, the temperature at which the paper will be used also determines its tensile strength. And not just tensile but the bond strength of the paper also gets affected when the temperature changes. 

It is a normal tendency that in high temperatures, the tensile strength of a majority of materials loosens or weakens. When the temperature is raised, the tensile strength increases to some point, after which it starts decreasing.  


So these were the vital factors affecting the tensile strength of the paper. Just like the tensile strength determines a lot about the paper, including its durability, GSM also plays a vital role in defining the actual strength of the paper. Try UEC’s Digital GSM testing machine to calculate the grammage per square meter of the paper. Visit the website to know more.

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