Introduction To Primer

Primer is the first layer of paint system, used to improve the adhesion of topcoat, increase the fullness of the topcoat, provide anti-alkaline, provide corrosion protection, etc., at the same time can ensure the uniform absorption of paint, so that the paint system to play the best results. The quality of the topcoat can be used without primer, this is not correct, because the function of the topcoat and primer is different, the topcoat is more focused on the final decorative and apparent effect, while the primer is focused on improving adhesion, anti-corrosion function, anti-alkaline and so on.