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What is "Fiber reactive dyes" - Definition & Explanation

Fiber reactive dyes are dyes used to color cellulosic and protein fibers such as cotton, rayon and soy. The dyestuff bonds to the fibers through a chemical reaction and does not require the use of mordants. Therefore, direct dyes require less salts and heavy metals to be used to achieve optimal coloration and fixation than other commodity dyestuffs. When used correctly, this can reduce not only the salt and metal content of the effluent, but also the quantity of water used to remove excess dye and the amount of dye run off.

Some other terms

Some more terms:

(douppioni) silk yarns made from the cocoon of two silk worms that have nested toghether. In spinning, the double strand is not separated so the yarn is uneven and irregular with a large diameter in...
process of industrially washing garments after they have been manufactured to remove sizing; it also softens and pre-shrinks. Grommet - an eyelet of firm material to strengthen or protect an opening....
a) Crimpled Length The extent of crimped fibre substantially freed from external restraint, and measured with respect to its general axis of orientation. b) Fibre Extent The distance in a given...
The Super grading system is used to grade the quality of wool fabric. The higher the number, the more yarn is packed in per square inch, therefore all things being equal a super 120s yarn is better...
A tissue paper made without chemicals that would destroy the fabric fibers. Air erasable pen - A type of temporary marking pen which usually disappears within forty-eight hours. Album quilts -...

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