Skewness change in fabric after laundering | AATCC 179 (Opt-A) | Complete detail

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Purpose and Scope
This test method determines change in skewness in woven and knitted fabrics or twist in garments when subjected to repeated automatic laundering
procedures commonly used in the home.
Washing and drying procedures used for shrinkage tests and other home laundering tests are specified for this method.
Principle
Change in skewness in fabric or twist in garment specimens resulting from procedures typical of home laundering practices is measured using bench marks applied to the specimens before
laundering.
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Sir, why we Don't use double layer of specimen for testing of skewness. Have there any problem?

liveforlife
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Very. Nice information sir ji god bless you

aaradhyabhojpurifilms
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Sir, skewness, twisting, spirality are same things or not.

liveforlife
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Bhai skew simple language me hota kya hai ye bhi bta dete

channelhasbeensuspendeddue
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How use this method of garments not for use fabric

aaradhyabhojpurifilms
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ISO 16322-2-2021(E)option-A
AATCC 179-2012 Option-A two Methods is same calculator, measurement procedure.

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