In silicone paints, the binding base is emulsified silicone resins. When such paints dry, a well-water-repellent surface is formed, which perfectly passes air and steam, is resistant to dirt and the effects of harmful microorganisms. Such paints are highly elastic, can cover cracks up to 2 mm thick on the surface. Silicone paints can be used to paint fresh plaster in just two days. Such paints are used to paint all types of mineral surfaces. They are very compatible with mineral, acrylic and latex paints. They can even be applied to old silicate paint. Unfortunately, due to their high cost, silicone paints are used in most cases for decoration.
The second group is alkyd paints.
The binding base of alkyd paints is alkyd resin. Alkyd paints are divided into enamel and oil. They are used to paint wooden, metal or plastered surfaces. They are environmentally friendly, waterproof, and lightfast.
The base of oil paints is drying oil, and the thinners are gasoline, turpentine, solvent naphtha or white spirit. These paints are quite cheap, but they take a long time to dry and emit harmful substances. Therefore, they are used for outdoor work. In addition, over time, the surface painted with oil paint turns yellow, which is a significant disadvantage of these paints.
Enamel paints have a varnish base, so the surface painted with them acquires a beautiful glossy appearance. These paints are used for painting metal, wood, plastered and putty surfaces, devices. They are used for indoor and outdoor work, dry quickly (especially nitroenamel paints), have light resistance, water resistance, and bulgaria mobile database resistance to corrosion.
An exception to the marking are oil paints. They are designated by the letters MA (oil paint), the first digit after the letters indicates the area of application of this paint, and the second digit indicates the type of drying oil used as its base. Table 3 shows the marking of the types of drying oils used.
Those who are faced with painting work may have problems with the choice of paint. The types of paints are so diverse that it is difficult to choose the right option. Each option can be used for a particular job. The surface and the area of use play a big role. We will consider some rules of choice, and also consider in detail all types of paints and varnishes.
The main difference between the compositions is their scope of application. Products are: