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When we you are any apparel like raincoat then it is not a fixed object when we use it. It has two actions. Fast when is the rain drop coming on to the raincoat directly with high speed and force. On the other hand, the raincoat is moving as the wearer are of the raincoat is walking or running. In that context normal water permeability test is not suitable for raincoat types of fabrics. So here are some special tests for Air permeability and water permeability has to be checked.
There should have some special arrangement on the testing procedure so that not only water is coming to the earth at high speed and rate but also it is required to move the cloth at constant rate so that we can have the exact data of the performance of the apparel like raincoat for its exact application. And for this reason, this test is being carried out and I have shared details about this test in Bengali. I hope after watching this you will be able to learn the basic things of this Bundesmann Test of Water Permeability.
Todays Topic:
Textiles
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Life talks
Agriculture
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and random topics
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