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What are dyes?

A dye is a natural or an synthetic substance that has an affinity to the substrate to which it is to be applied. It can add a color or can change the color of any substance. The dye is generally applied in an aqueous solution and requires a mordant to improve the fastness of the dye on the fiber.

What is the difference between Dyes and Pigments? Dyes and Pigments have different properties and are used to create different effects.

Both dyes and pigments appear to be colored because they absorb some wavelengths of light more than others. In contrast with a dye, a pigment generally is insoluble, and has no affinity for the substrate. These are mixed with oil, water, etc. to make paint.

What are Natural Dyes? Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. These dyes are applied on the substances with the help of minerals or metal salts. The metal salts are alum (aluminum salt), iron or tin (called mordants).

Why Use Natural Dyes? The following facts will tell you, why do we use Natural dyes:
How do I work out how much dye I'll need? For every 100 gms of fabric weight, 5 gms of dyes should be used. There is a certain method for calculating the required quantity of dyes that has to be used.
Can dark colored items be dyed with pale colors? No, pale colored dyes can not be used for dyeing strong colored substances.

I've stained an item can I hide the stain by dyeing? Yes, one can hide the stain by dyeing because dyes can remove the stains. By coloring the stained area, the stain can be hidden, though this stained area will still look different from rest of the item.

What kinds of dyes are too unsafe to use? The most dangerous kind of dyes are the basic dyes. These dyes have excellent dyeing performance on the acrylic fibers. 

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    Bharat Mehta

    (Manager)

    Kolorjet Chemicals Pvt Ltd.

    Malad West, Mumbai, Maharashtra, India

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