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January 31, 2019
Advanced Coating Technologies - Great Dane Powder Coating
Advanced Coating Technologies
April 30, 2019

Different Types of Powder Coating

Different types of powder coatings available. This is a quick look at each type and their respective use. 


Epoxy coatings provide a smooth, uniform appearance. They also offer excellent adhesion and exhibit a strong resistance to chemicals and corrosion. However, epoxies can only withstand minimal UV exposure. Over-exposure to UV rays can lead to loss of gloss as well as chalking of the finished product. As a result, epoxy powders are generally used for interior-based products.  


Polyester powders offer strong adhesion properties and excellent gloss retention when exposed to UV elements. Due to their strong weathering characteristics and lower chemical resistance, polyester powders are typically found on fencing, outdoor decorative items as well as lawn and garden furniture.  


Nylon powders are generally used as a protective coating. They offer strong resistance to a wide range of solvents and oils, as well as damage caused by impact and abrasion. In most cases, a primer is used in the coating process to help achieve a high level of performance. 


Polyurethane powders are generally used for both decorative and functional products that have exterior exposure. Polyurethane’s have very strong weatherability characteristics. They offer excellent anti-corrosion performance and are resistant to humidity and a range of chemicals and oils. 


Hybrid powders are blends of epoxy and polyester resins. As such, they offer excellent mechanical properties and very good chemical and corrosion resistance. While these coatings provide excellent flexibility and smoothness, they are generally not recommended in applications where weather resistance is critical. Hybrids are typically used for indoor applications. 


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