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All you need to know about mixing paints

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All you need to know about mixing paints

All you need to know about mixing paints

  • 23/10/2021

Paints are the basis of the final stages during the finishing of the house, and to choose the appropriate paint, it is necessary to know the types of paint and the surfaces to be painted.

Where the history of paints dates back to 2000 BC when the Chinese developed the use of a plant glue from the lacquer tree into transparent paints used for polishing surfaces, and its use has remained to this day in varnishes that are still called "lacquer".

And then, 500 years later, the ancient Egyptians developed the science of coloring, as it was composed of animal fats, colored metal materials and black carbon. And then the Egyptians discovered varnishes from natural resins and beeswax.

The paint industry moved from China to Europe in the middle of the sixteenth century and later developed using vegetable oils and tree resins as bonding materials, and plant products remained the most used materials as raw materials for this industry.

With the beginning of the nineteenth century, the paint industry developed widely and rapidly due to the use of many petrochemical compounds.

Painting Basics

Paint generally consists of a powder (pigment) that is suspended inside a liquid substance called a medium (vehicle) and when it is applied to the surface, this paint turns into a thin, solid layer with the help of one of the following methods: (oxidation with its union with atmospheric oxygen - evaporation - heating - chemical changes).

The main components of the paint:

Any paint consists of several basic components:

Association Article:

It is the main liquid that is responsible for carrying all the other components of the paint, and the binding substance is what determines the type of paint, whether it is water-based, oily, cellulose or alcoholic paint. .

Basic rules:

What is meant by it is the powder that makes up the paint, which together with the carrier substance is the main texture of the paint.

colored oxides:

It is what gives the paint the desired color. These oxides may be one color, two colors or more, provided that there is homogeneity and no chemical reactions that affect the paint.

Helpful plugins:

They are the improvers, stabilizers and dryers, which are in fact of paramount importance in the paint industry, and they are:

  1. Materials to prevent sedimentation.
  2. Materials to prevent crust formation.
  3. Dried materials.
  4. Materials to increase liquidity and operational (diluting materials).
  5. Gloss materials.
  6. Lufty luster materials.
  7. Materials to increase flexibility.
  8. Stabilizers for paints.
  9. Hardening materials.
  10. Materials to increase water resistance.
  11. Materials to increase heat resistance.
  12. Materials resistant to bacteria and parasites.
  13. Materials to increase the corrosion resistance of tin cans.

Preparing the surface for painting

To prepare the surface to be painted with paints, it must be cleaned to remove dirt and dust stuck to it, then sanded, then kneaded, then sanded again to smooth it out and close its pores, then cleaned and dried so that the layers of paint would follow over each other, like the preparatory face layer, followed by the lining face, then the final face.

And the appropriate choice in the layers of paint depends mainly on its uses, either inside or outside the buildings. In general, it is not necessary to paint any of the three mentioned layers of paint except after each face has dried and hardened, then sanded and cleaned, then treated with putty to fill the pores of its surface, then let it dry, then sanded again and cleaned, and then the surface is ready to receive the next required paint layer.

Suitable conditions for paint coating:

Temperature and humidity: It is the temperature at which air humidity condenses, and each type of paint has a temperature and humidity to complete the drying process, and you will find it written on the paint packages.

Surface dryness: The strength of the adhesion and the speed of drying will be affected if the paint is applied to a wet surface.

Air pollution: fumes may cause delay in drying or change in paint color.

Air movement and wind: Moderate air movement helps speed drying and is important for removing solvent fumes.

Seasonal factors: weather changes can impose some restrictions on the coating process.

Read also:

Choosing the colors of children's rooms.

Your dream home with imaginative decorations.