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What is "Reactive dyes" - Definition & Explanation

Dyes for cotton and other cellulosic fibres that actually react to form covalent bonds with cotton to produce a new chemical (e.g. Red cotton). They require large amounts of chemicals (salt and alkali) to fix the dyes and lots of water to wash off unfixed dye.

Some other terms

Some more terms:

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 manufactured fiber composed of regenerated cellulose. Lyocell has a similar hand and drape as rayon, but is stronger, more durable, and in many cases machine washable. It has a subtle luster and is...
made from cotton with a four harness warp-faced twill weave. The filling yarn is a very loosely twisted and soft and later brushed to produce a soft nap on the back, the warp is medium in size. The...
An alternative, non-harmful method of producing silk. Silk is woven by making use of empty cocoons rather than harvesting live moth pupae. Cultivated on forest trees, the silk is spun after the...
A flat. ribbed fabric woven with fine yarns in the warp, with heavier yarns in the filling.using a plain weave. The ribbed effect is flatter than gross grain and smaller than a repp. The fabric is...

Companies for Reactive dyes:


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