CPRS means Combed process Ring
Generally, cotton wool is not spun into yarn per se.Cotton is cleaned then either fabricated into cotton wool or into cotton yarn. Cotton yarn is used in making jerseys.
Depends on the yarn. There is yarn that is 100% cotton, but cotton/rayon mixes and other mixes are common.
Yarn can be spun from 100% cotton, or may be added to other yarns in whatever ratio is useful for the use of the yarn.
TC Yarn means Yarn made of by Polyester Cotton,, Acronym from Teteron Cotton, Teteron is the other name of Polyester,,, Yarn means thread of fabric.
When the yarn is made of cotton or wool, it is natural.
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If you had a length of cotton yarn and a length of viscose (or rayon, is another word for viscose), yarn and you were attempting to differentiate between the two, it is tricky. I would suggest that you wet both strands of yarn, and pull them. The rayon will stretch more and be less strong than the cotton. The rayon will also absorb more water than the cotton yarn.
A. A. H. Abou Sehly has written: 'Studies on cotton fiber and yarn testing' -- subject(s): Cotton yarn, Cotton
Denim is fabricated from cotton twill yarn.
Flame retardant yarn will not burn as fast as cotton yarn -- the benefit being that whomever is wearing the garment may be able to survive longer in a fire situation.
Similar to the process for making cotton yarn-see weblink
Basically neps is a problem of yarn but it may be a ornamented yarn if it can be arranged in a organized way. As for example: (95%Cotton+5%Polyester) Neppy Yarn Base yarn is cotton & if some dyed polyester of different color can be sprayed throught its length & base yarn is dyed then one kind of neppy effect will be visible throughout the length of the yarn. This yarn is called Neppy Yarn.