Additives

Additives are chemicals that added to paint in small quantities, to achieve special effects. 

Typical paint additives may be classified by their effect on the properties of liquid or dry paint. Additives can affect the paint material characteristics and the finished film properties.

Examples of properties that can be adjusted with paint additives include flowability, viscosity, foaming, skinning, pigment dispersion, stability, flexibility, hardness, gloss, UV resistance, fire resistance, bacteria resistance, and etc.

What is Paint??

Paint has been used for art for thousands of years. The oldest civilizations such as the Greeks, Romans, and Egyptians used paint
made with a mixture of mineral pigments (copper, iron, etc.),
beeswax, and resin and then fixed with heat. The caveman use to decorated their cave with the picture of their dailiy activity (like hunting).

In nowadays modern live, paint has lot of function, as protection, decorative, and some special purpose.
As protection, paint will protect the material that its covered by giving insulation or barrier from the environtment (water, chemical, UV, etc.), so the material will not be affected by the environment.
As decorative purpose, paint gives color, gloss, or texture to the product that it is applied.
And some time paint was applied to have some special purpose such as corrosion resistance, insulation, wear resistance, etc.

Paint was made by four component : resin, pigment, solvent, and additive.