1. PaintPaint

2. Properties and uses Paint

3. Definition The fluid prepared by dissolving a base in vehicle (carrier) Along with coloring pigment is known as paint. Base materials- White lead, red lead,zinc white, ect Vehicle (carrier)-Linseed, oil,nut oil,water etc. Coloring pigments-blue,black brown,green etc. In addition to the above ingredient of a paint solvent, drier are also used to make a standard paint.

4. Function of Paints: To protect the surface from weathering effects. To prevent the decay of wood. To prevent the corrosion of metallic surface. To provide colorful, pleasing and decorative appearance To cover the incorrect surface of masonry and concrete works. To provide a smooth surface for easy cleaning.

5. Types of paints Oil paints Enamel paints Cement paints Aluminum paints Plastic paints Luminous paints

6. Oil paints: The paint in which raw or boiled linseed oil is used as a vehicle is known as oil paints. Thes paints essentially consists of a base, vehicle and pigment. Base : a finely divide solid material providing body the paint. Ex: white lead, red lead, oxide of iron etc. Vehicle: The liquid which carries the soild material is kwon as vehicle. Ex: linseed oil,nut oil, tung oil,etc Pigment: Pigment are in various colors like white, Black, Blue, Green, Red, Yellow, etc

7. Properties: These paints are cheap. These paints are easy to apply It possesses good opacity and low gloss It is generally applies in three coats(prime coat, undercoat and finishing coat).

8. Uses: These paints are mostly used for decorative works. These paints are used for wood and iron works.

9. Enamel paints:  The paints having white lead or zinc in a small quality of oil and mixed with petroleum spirit are known as enamel paint.

10. Properties: These paints are easy to apply and dry quickly. The surface of these paints can be cleaned by washing with water. The color of the paint is retained for long period

11. Uses:  These paints are normally used for painting steel and wood works.

12. Cement paints The paint which consists of cement and hydrated lime mixed with coloring pigment is known as cement paint.

13. Proprties and Uses This paint provide a smooth mat finish. It provides a hard, durable coat, The surface painted by this paint can also be washed. It can be applied over new damp wall surfaces. Uses These paint are used in wall surface, ceiling etc. Thes paint are commonly used in residential and public buildings.

14. Aluminum paints The paint consists of aluminum powder suspended in spirit varnish or oil varnish is known as aluminum paints

15. Properties and Uses Properties: These paints are heat resistant. They have high electrical resistance. They protect the surface from sea water corrosion. They possesses high covering capacity. Use: These paints are suitable for protecting metal work Example gas tanks,hot water pipers,marine pipes and oil storage tanks.

16. Plastic paints The paint consisting of required from of plastics are known as plastic paints Properties: These are finest type of paints. They provide a durable attractive surface on drying. Uses: These paint are mostly used in cinema hall,auditorium,showrooms,etc

17. Luminous paints  Phosphorescent paint or luminous paint is commomly called “glow in the dark” paint. When applied as a paint or a more sophisticated coating (e.g. at thermal barrier coating), phosphorescence can be used for temperature detection or degradation measurements known as phosphor thermometry”

18. Defects in painting:  Fading: The gradual loss of color is known as fading. This may be due to the effect of sun rays.  Flaking: Due to the poor adhesion, paint may peel off from the surface.  Blistering: This is caused by water vapour, whish is trapped behind the painted surface. It may occur due to implect seasoning of timber.