Cutting marks by scissor:
The fabric is cut at two places as shown in the fugure. The distance between both the cut should be as large as possible. The distance should also be measurable by measuring scale.
Taking out threads from the swatch:
A definite number of threads are taken out from the swatch as shown in the figure. The number of threads are counted precisely. Any mistake can affect your results.
Measuring of thread's length:
When you can count the threads, one thread is taken out from thread's bunch. Now we makes this single thread straight with the help of finger. We should alway be careful during straightening of thread. There should not be any stretch in the thread during straightening.
Now we should measure this thread with the help of measuring scale. Please don't forget to add this single thread in the thread's bunch. Please see the below figure.
Weighing of thread's bunch:
Now put this thread's bunch on the pan of electronic weighing scale and record the weight of threads. Don't forget to see the zero reading of weighing scale before weight measuring. If there is an error, do re - zero of the scale reading and then measure the bunch weight. Please se below figure..
Observations and calculation:
Testing of bursting strength of the fabric by diaphragm burst hydraulic bursting strength teser
Testing of drape coefficient of the fabric by Cusick drape tester
Testing of crease recovery angle or crease resistance of the fabric
Testing of tearing strength of the fabric by falling pendulum (Elmendorf) tearing strength tester
Testing of fabric stiffness by using cantilever type stiffness tester
Yarn count testing, tensile strength testing and CSP calculation
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