الوصف

 What is pigment?
Pigments are used for coloring paint, ink, plastic, fabric, cosmetics, food and other materials. 
Most pigments used in manufacturing and the visual arts are dry colorants, usually ground into
a fine powder. This powder is added to a vehicle (or binder), a relatively neutral or colorless 
material that suspends the pigment and gives the paint its adhesion.
Features of the Pigments
The pigments are versatile coloring agents that comes with all round features to give credence to its
suitability in a variety of mediums. Some of the striking features are given here: 
•ï‚ Excellent solvent resistance properties
•ï‚ Excellent light and weather fastness
•ï‚ High tinting strength
•ï‚ Good over spray fastness when applied in paints
•ï‚ Gives heat stability of around **0° C in the case of Polyolefins Plastics
•ï‚ Easily dispersible
•ï‚ Consistency and uniqueness of shades
•ï‚ A good baking stability that makes them suitable for automotive and other industrial paints
 organic Pigments
In organic pigments, the molecules are made of carbon atoms along with hydrogen, nitrogen or oxygen
atoms. Organic pigments are further divided into two subgroups: 
Natural Organic Pigments:This type of pigments are derived from animal products and plant products. 
The use of these pigments are rare due to their poor light fastness property.
Before the beginning of the modern era, the natural organic pigments were considered as an important
part of the historical pigments. Earlier these are used for bodily ornaments, textile dyeing and cosmetics.
But, today a large number of the natural organic dyes have been replaced by the synthetic organic dyes. 
Therefore, today, these pigments are remembered by theirs quaint historical names. These pigments are
being adopted by the modern commercial paint companies to lend romance in their traditional mixtures. 
And, the most important, these pigments are environment friendly.