3 Types Of Tear Resistance Testers
The tear strength of the paper refers to the ability of the paper to withstand the force required to tear the paper. It is among the significant physical properties of paper that manufacturers can’t go without. Factors on which the tearing strength of the paper depends include the refining of fiber, fiber length & strength, and filler quantity as well as quality.
This parameter is measured in both machine direction and cross direction. The machine direction is the direction of the paper web, running on the paper-making machine. Cross direction refers to the direction perpendicular to the paper running on the paper-making machine. While a majority of manufacturers prefer an Elmendorf-type tear resistance testing machine to measure this, there are two other types of equipment too. Manufacturers must know all the 3 of them so that they know about the most suitable for their business.
3 Types Of Tear Resistance Testers
Elmendorf Type Tear Resistance Tester
This equipment tests paper, paperboard, plastic films, etc. for resistance against tearing. It comes with a free-swinging pendulum with a mounted calibrated scale displaying the mean tearing force.
LCD Display & Keyword Operated Tear Resistance Tester
This unit performs the same operation however is different in its features. User-friendly equipment that comes with a keypad OS and manual clamps for specimens. The test results are displayed on the LCD panel and test data can be transferred to the computer.
Touch Screen Tear Resistance Tester
This is a user-friendly HMI-controlled unit that comes with touch screen OS functionality. A single touch allows pneumatic clamping of the sample, micro-processor-based hardware displays test results and LCD shows the graphical data. The test results can be easily transferred to the computer. Plus, this equipment comes has a lot to offer on demand.
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