Primers are water thin-able primer suitable for interior and exterior application. It is used for priming plastered walls, asbestos, concrete, brickwork etc. It dries fast, provides very good adhesion, sealing properties and good resistance to wall alkalinity.
A primer or undercoat is a preparatory coating put on materials before painting. Priming ensures better adhesion of paint to the surface, increases paint durability, and provides additional protection for the material being painted.