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  • Different Types of Industrial Paints: Part 1

Different Types of Industrial Paints: Part 1

Paints and coating play a vital role to enhance the value of everything. From homes and manufactured products to bridges and other structures, paints are used everywhere. Paint is very important to keep everything looking new and in good condition. 

Industrial paint coatings are a protective coating that prevents damage to industrial equipment. This enhancement adds value far beyond the cost of buying or applying the paint or coating. Let’s look at the detailed description of various types of paint.

Alkyd Paints

These paints are made from alcohol and acid. Alkyd paints are available in different types. They have different properties but are mostly used for decorative purposes and protection of steel exposed to the relatively mild environment.

Its water resistance properties are not that good; hence it can only be used above water. Its drying process is also temperature-dependent.

Benefits

·         Easy application with both airless spray, roller, and brush

·         It has good wetting properties

·         Good adhesion to the surface and good penetration properties

·         Easy to repair details in the paint film during application

·         It also has good leveling properties

Limitations

·         It has poor resistance to chemicals

·         Limited water resistance

·         Limited resistance to solvents

·         It cannot be used on zinc primers

·         The film thickness per coat is limited

Vinyl Coatings

These coatings are widely used as industrial coatings in chemical plants, refineries and tank farms. These coatings are physically drying. They are one-component paints and are easy to apply by airless spray, brush, and roller.

Benefits

·         Good chemical resistance

·         Good water resistance

·         Quick-drying properties

·         Not temperature-dependent

Limitations

·         Low solid content

·         Poor resistance against strong solvents

·         Dry heat resistance up to approx. 80 degree Celsius

·         High content of volatile organic compounds

Chlorinated Rubber Coatings

These coatings are widely used as industrial coatings in chemical plants, refineries, tank farms, bridges, and marine structures. These are physically drying paints. It has good resistance to water and traditionally been used on ships and other marine structures.

Benefits

·         Physically drying

·         Not temperature-dependent

·         Easy to recoat

·         Very good water resistance

·         Good chemical resistance

Limitations

·         It has poor solvent resistance

·         Has low solids content

·         Poor wetting properties

·         High content of volatile organic compounds

Epoxy Coatings

Epoxy coatings are available in different varieties, each one of them is made to meet certain requirements. They have very versatile coatings and are used in ships and offshore, under and above water due to good adhesion and penetration properties.

Benefits

·         Good water resistance

·         Good adhesion to the substrate

·         Good chemical resistance

·         Good alkali resistance

·         High durability

Limitations

·         Poor resistance to UV rays

·         Difficult to overcoat cured epoxy

·         Moderate resistance to acids

·         Can cause allergy

·         Require proper knowledge to be used correctly

Epoxy Mastic Coatings

Mastics are among the most versatile coatings for industrial and marine use. They have good resistance to water and are used on ships and other marine structures. It can also be used for decorative purposes when a top coat is required.

Benefits

·         Surface tolerant

·         Light colors

·         Good water resistance properties

·         Good chemical resistance properties

·         High solid content

Limitations

·         Temperature-dependent

·         Not to be applied on thick coats of physically drying paints

·         Minimum DFT 150 microns by airless spray

These are a few types of industrial paints. In the next part, we will discuss some other types of industrial paints.

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