The Primer Today Is Presented on Various Foundations, Suchch as Acrylic, Alkyd, Mineral. All Primer Compositions Can Conditionally Be Divined Into Two Large Types. So the first type Includes Primers that are used for Primary Preparation of the Surface. Such Compound More Offten Called Primer-Banding Or Impregnation. The Second Type Includes The Compositions, ToHanks to Which The Adhesion of the Finishing Material with the Surface Increases.