What is Polymer Coating – What is It Used for?

benefits of polymer coating

A polymer coating, which includes polymer paint, is created with polymers that are a byproduct of oil. The polymers offer superior protection from corrosion.

 Plus, polymers have a strong adhesive quality as well, making them stick to a wide range of materials. 

The process of applying polymeric coating starts with an elastomer or other material that includes polymers on a surface. 

Such coatings can be applied to ceramics, metals, and certain synthetic materials.

The advantages of polymeric coatings start with their temperature resistance. They can resist temperatures that reach 535 degrees F or 289 degrees C. 

Plus, polymer coatings are FDA-approved for uses involving food.

This means that you will find coatings used to prepare and store food, such as in frying pans, multi-head scales, and containers. 

Another advantage is that the ionic resistance of a metallic surface is enhanced when a polymer coating is added. 

But with all the advantages, why are polymer or polymeric coatings used for so many different materials? 

Uses of Polymer Coatings

One reason why polymer coatings are used is that the process which creates them is relatively simple and inexpensive. 

However, it is the adhesive qualities that make polymer coatings so desirable.

Because they can be applied to a wide range of substrates and surfaces, they are readily available for many different uses. 

Corrosion: To protect against oxidation and rust, polymer coatings are applied in greater quantities to provide maximum protection. 

This means that the film which covers the object will be thicker compared to coatings that are used for decorative purposes. 

Thicker coatings are not only more durable but more resistant to chipping, scratching, or being broken apart by heat, chemicals, moisture, or salt. 

Types of Polymer Coatings

With chrome and cadmium coatings on the way out due to containing heavy metals and being harmful to the environment, the number of polymer coating types is expanding. 

Special polymers can be used to create surfaces that prevent certain substances from sticking.

The principle is the same as Teflon but safer because of the polymers being used. 

There are different types of polymeric coatings that include the following. 

  • Acrylic
  • Epoxy
  • Nitrocellulose 
  • Phenolic Resins
  • Polyvinyl Chloride 
  • Rubber: Both Natural and Synthesized 
  • Silicone
  • Urethane

Some of the most common types of polymer coatings being used include the following. 

Acrylics: This also includes alkyds which are widely used in the farming industry along with industrial products. The polymer coatings offer good protection at a low cost. 

Nylon 11: This is a more decorative coating that also offers protection against abrasion, impacts, and even certain chemical exposure. 

Polyurethane: You’ll find this used on a wide range of items that include the following. 

  • Aircraft
  • Machinery: Road Built 
  • Motorcycle Parts 
  • Radomes
  • Railroad Hopper Cars
  • Slurry Pipes 
  • Tugboats and More 

This type of coating is resistant to abrasion, which makes it perfect for surfaces that need to be slippery in nature. 

In the foreseeable future, a new type of polymer coating that combines certain resins with fluropolymers will be used.

This product reduces viscosity as the film shear increases. 

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