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Dyes: Dyes are colored substance that is applied in an aqueous solution requiring a mordant to improve the fastness of the dye on the fiber. These features to absorb wavelength of light, hence, appears to be colored substance. Dyes are found from the roots, berries, wood, leaves and plants. Reactive Dyes: A reactive dye contains a chromophore which is activated and exposed to directly respond to the substrate surface. Reactive dyes were found in early 1956. Reactive dyes are applied to cellulosic fibers, which form into a chemical bond when applied to a fiber in an alkaline dye bath. Reactive dyes are also used in wool and nylon, applied under specific conditions. They features fine fastness properties due to the bonding taken place during the dyeing process. One such kind of reactive dyes includes the Fiber Reactive Dyes also called as textile dyes that forms into covalent bond with the fibers of the textile resulting in long lasting bright dye. Many stores deals with fiber reactive dyes these days, even one can find over the internet. Use of salt and soda are necessary components to set the dye, specifying particular fibers the dye is supposed and design to work with. The Fiber Reactive Dye interacts with cellulose wholesale nylon fabrics molecules forming permanent bond as when treated with soda ash. Other fiber dyes are designed to use with protein components like wool and silk. Fiber Reactive Dyes when applied or colored in clothing, it will not fade until exposed to bright light or sun light. This is why dyes are commonly used in our day to day things. These dyes can also be used for solid colors, or to paint on an assortment of textiles. Some of the important features like colorfastness and fade resistance make them an excellent choice for clothing and other textiles which needs to be washed frequently. The fiber reactive dyes are eco-friendly and highly appreciated in todays society. Manufacturing units are trying to process the dyes using natural components and materials for producing a product with a minimum of harmful waste. It is desired to first wash the textile dyed cloth before using it to make sure that any harmful residual is being removed this will give effective result to use a fiber reactive dye. Secondly, the dye should be mixed with non-iodized salt and stirred well so that the large particle can be removed with ease. It should be stored in a big container while mixing the dye with salt and stirred continuously for about 20 minutes.




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