Paint is a thin layer of coating provided over the surface of woods, concretes and metals to protect the structure or component from dampness, fungal attack, chemical attack etc.
Some of the Characteristics of Paint are :
- It should be smooth
- It should be durable.
- Workability and elasticity should be high.
- Also should have high coverage.
Types of Paints
It is used in painting of Oil Storage Tanks, Hot water pipes,etc.
2. Fire Proof Paint
It is used in metal roofs.
3. Cellulose Paint
It is used in painting of cars, airplanes , etc.
4. Emulsion Paint
It is used for painting Concrete.
5. Enamel Paint
Used in the painting of woods and steels.
6. Plastic Paint
It is used in Showroom, Auditorium, etc.
7. Oil Paint
8. Bronze Paint , etc
Constituents Of Paints
It is considered as the body of the paint. It makes paint hard and weather resistive.
eg: Red lead,white lead.
It acts as the binder between base and pigment of the paint. It also make paint chemical resistive .
eg: Nut oil , linseed oil , etc.
It provides color to the paint. Paint should not contain more than 10% .
eg: Blue ( Indigo ) , Red (Read Lead ),Green (Copper Sulphate ) , etc
It is used to quicken the drying of the vehicle in the paint and consequences a hard film. It should not be more than 8% of the paint.
Eg: Lead Acetate
5. Solvent or Thinner
It is used in the paint to reduce the consistency to desired limit .
Eg: Turpentine, Petroleum , Spirit, etc
6. Inert Filler
It is used in the paint to reduce the cost, increase the weight as well as durability.
Eg: CaCO3 , SiO2 , Charcol, etc