The Elmendorf tear tester has been developed specially for the paper industry and is outstanding for simplicity of operation and high measurement accuracy. The exchangeable pendulum is equipped with a pneumatic sample clamp. The initiation and return of the pendulum, as well as sample cutting is completely automatic. The device is operated via an integrated touch screen, where the test method can be selected, specific settings can be adjusted, and, after the measurement, results and statistics can be displayed.Each pendulum is supplied with the appropriate control weight so that, with the help of the service program, it can easily be checked for functionality and balance.
The Elmendorf tear test Procedure:
Cotton fabric was taken.
Warp and weft direction of the fabric was identified.
Two strips were cut from the fabric in both directions having dimensions of 100 x 63.5 mm.
The sample was then fixed in the jaws of the tearing tester.
A cut of 20mm was made along the width of the fabric using the cutter in the tearing tester.
By using falling pendulum of the tearing tester the fabric was tear and the readings were noted from the Elmendorf's tester's scale.
Results Discussion:
Tear Strength
Weft-wise tear strength = 1575 Kg
Warp-wise tear strength = 2570 Kg
The results show that the warp-wise tear strength of the fabric is more than that of the weft-wise tear strength of the fabric. The fabric had a twill 4 x 1 weave design. This shows that the warp yarns are much more than that of the weft yarns, that's why the warp yarn strength is much more than that of the weft yarn.
-------------------------------------------------------------------
For more information about our testing instrument, please contact
·website:http://www.qinsun-lab.com/
· +86-21-6780 0179
· info@qinsun-lab.com
· or leave your comments below
The Elmendorf tear test Procedure:
Cotton fabric was taken.
Warp and weft direction of the fabric was identified.
Two strips were cut from the fabric in both directions having dimensions of 100 x 63.5 mm.
The sample was then fixed in the jaws of the tearing tester.
A cut of 20mm was made along the width of the fabric using the cutter in the tearing tester.
By using falling pendulum of the tearing tester the fabric was tear and the readings were noted from the Elmendorf's tester's scale.
Results Discussion:
Tear Strength
Weft-wise tear strength = 1575 Kg
Warp-wise tear strength = 2570 Kg
The results show that the warp-wise tear strength of the fabric is more than that of the weft-wise tear strength of the fabric. The fabric had a twill 4 x 1 weave design. This shows that the warp yarns are much more than that of the weft yarns, that's why the warp yarn strength is much more than that of the weft yarn.
-------------------------------------------------------------------
For more information about our testing instrument, please contact
·website:http://www.qinsun-lab.com/
· +86-21-6780 0179
· info@qinsun-lab.com
· or leave your comments below
If you wanna learn the knowledge about what factors to pay attention to when determining the tearing strength ? I would like to tell you with my sharing and experience.
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