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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 bias direction of a piece of woven fabric, usually referred to simply as 'the bias', is at 45 degrees to its warp and weft threads. Every piece of woven fabric has two biases, perpendicular to...
Removal of loose threads, knots, slubs, burs, and other extraneous materials from fabrics by means of a burling iron, a type of tweezer. The trick is to remove the impurity without damaging the...
From The Louis Xvi Period Onwards Waistcoats Were Worn Under All Men's Outer Garments, Coat, Riding-coat, Frock Coat, Jacket, Etc. Usually The Two Front Panels Were Made From Fine Material And The...
Oilskin referred originally to a type of fabric - canvas with, literally, a skin of oil applied to it as waterproofing. These days, oilskins or oilies means the foul-weather gear worn by sailors,...
A pile fabric with a clipped nap. Before clipping, the nap is a loop as found in frieze or boucle. Velvet was introduced during the Renaissance in Italy and Spain and later moved to France. Designs...

Companies for Reactive dyes:


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