Industry News


Posted on January 09, 2015

The Types of Powder Coat

There are two types of powder coats, thermoplastic and thermoset. Thermoplastic powders will have the same chemical composition after applied and cured. Thermoset powder can chemically cross-link and will cure with a different chemical structure than the original resin.

Below are the four main types of thermoset powders:

Polyester – Polyester powder coating features qualities of long-term exterior durability, high performance mechanical properties, and are heat resistant. Polyester powder is nearly 36% of the worlds powder production and is the most used of all powder coatings in the United States.

Epoxy – This powder coating has inherent toughness, corrosion resistance, chemical resistance, flexibility, adhesion and abrasion resistance. Epoxy powder is most commonly used when a durable coat is required but the object will not be exposed to direct sunlight for extended periods of time.

Acrylic – Acrylic resins are often used for when decorative and sun resistant coatings are required. This powder can provide high gloss and color retention and is most often utilized in the automotive industry.

Polyurethane – This powder coating has excellent gloss retention and can provide resistance to humidity and corrosion. The chemical properties have a good exterior durability. Polyurethane powder makes up less than 2% of the worlds powered production.

Powder coating has advanced throughout the years and most of these advancements have been with thermosetting powders. At Burton Metal, we always work to provide the best quality finishes and ensure that our powder coating process continues to use the most current and trusted technologies that the powder coating industry has to offer.



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