Paint anti-corrosion, waterproof, oil proof, chemical resistant, light resistant, temperature resistant, etc. The objects are exposed to the atmosphere and eroded by oxygen, water, etc., resulting in metal corrosion, wood decay, cement weathering and other damage phenomena. Coating on the surface of the object to form a protective film can prevent or delay the occurrence and development of these damage phenomena and prolong the service life of various materials.

The color, luster, pattern and flatness of the paint. When objects of different materials are painted, they can get colorful appearance, play a role in beautifying the human living environment, and make an important contribution to human material life and spiritual life.