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What is "Dyes" - Definition & Explanation

(Low Impact) - Dyes that are more environmentally friendly than conventional dyes because they contain no metals, low salt, AZO & dioxazines compound free. Called 'Low Impact' because they use less water to disperse the dye, so less dye is used and waste water is carefully filtered to remove as many of the dye particles as possible. Low impact dyes require significantly less water for the dyeing process so there is much less polluted runoff than from the conventional dye process. Organic cotton and most other fabrics can be successfully colored with all natural or fiber-reactive low impact dyes. They are the highest quality, most ecologically friendly dyes available, producing colors that are both richer and brighter than conventional dyeing practices. These dyes reduce water and electricity consumption and discharge 60% less toxic runoff into the waste stream. They promote healthy ecosystems by using fewer resources and less energy while providentially allowing greater adherence of the dye to the garment.
Dye is used to color fabric. There are two main types: Natural dyes, and synthetic dyes. The process is called Dyeing.
(Fiber Reactive) - The molecules of fiber reactive dyes actually react and bond to the fiber molecules. These dyes are the best quality and most ecologically sound synthetic dyes available. They contain no heavy metals or other known toxic substances. The colors are brighter, richer, and exhibit superior colorfast properties. Very little residual dye comes out in the waste water. Significantly more costly than using conventional direct dyes but the quality and ecological benefits are far superior.
(Natural) - Pigments are derived from organic materials such as vegetables, berries, bugs, clay, indigo, and other plant extracts to dye fabric. The weakness of natural dyes has been that many natural dyes are not color-fast and wash out of the garments quickly. Clay dyes are some of the best in retaining their color across repeated washings.

Some other terms

Some more terms:

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