Plastic emulsion paint is water based wall paint. It is based on acrylic and provide a smooth matt finish to the walls. These paints are also washable and easy to maintain just as premium emulsions. It is extremely durable but is not suitable for application on external surfaces, wood and iron surfaces.
According to Indian standard it should confirm the specification as IS: 5411 of approved brand and manufacturer. The material should consist of pigments with suitable extenders in a medium consisting of any stable synthetic polymer emulsion in water.
Raw Materials for Plastic Emulsion Paint
- Cement Primer: A coat of cement primer is a base coat applied on the surface for painting.
- Putty: It’s used to fill uneven surface and holes. It is prepared by mixing white lead chalk ‘MITTI’ and varnish together to form a shape of thick paste.
Preparation of New Surface
- The surface should be thoroughly cleaned of mortar dropping, splashes of cement slurry, dust etc.
- Primer coat is applied on the surface.
- The surface should be allowed to dry for at least 48 hours.
- The surface should be rubbed with sand paper for getting smooth and even surface. Any unevenness should be leveled by applying putty.
Preparation of Old Surface
- If old paint is sound and firm, it should be rubbed down with sand paper.
- All smoke and grease spots should be washed with lime water.
- All dust and loose paint should be completely removed.
- The surface should be washed with soap and water.
- If old paint surface is blistered, it should be removed with patent paint remover.
- The patches of old surface should be filled with putty for making the surface even and smooth.
- After preparation of old surface plastic emulsion paint is applied in the same manner as for new work.
Application of the Emulsion Paint
- The paint is applied in usual manner with brush, spray or roller.
- The paint dries by evaporation of water content. As soon as the water is evaporated, the film becomes hard and the next coat can be applied.
- The thinning of emulsion is done with water, not with turpentine.
- Thinning with water is required for under coat which is applied on absorbent surface.
- The finishing surface should present a smooth finish.
Advantages of Emulsion Paint
- It is extremely durable and provides a smooth matt finish to the wall.
- It has excellent adhesive property.
- It is washable and easy to maintain.
- It is easy in application and has quick drying properties, non objectionable odor and good workability.
Disadvantage of Emulsion Paint
- It is not suitable for external surfaces, wood and iron surface.