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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 Provide Positive Working Condition:- The working
environment with natural dyes is very pleasant. This good working
environment is very much conducive for the workers. The non-toxic, no
poisonous and pleasant environment makes the working condition positive.
- Natural Dyes are no Poisonous in Nature:- Most of the dyes,
except Natural dyes are severally poisonous in nature. Due to this
thing, when people use these dyes, then there may be a high risk of
respiration disturbance of them.
- Natural Dyes are Environmental Friendly:- The various
wasteful materials which produces during the applications and
manufacturing process of synthetic dyes, make the environment poisonous
and polluted. So, in this respect also natural dyes are environmental
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
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.