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26-07-2018
The Different Powders Used in Custom Powder Coating

Custom powder coating is a great way of adding aesthetic value and an actual protective film to your application. Powders today come in a plethora of formulations. While some of them are purely for aesthetic appeal, others encompass the part in a protective layer. Therefore, from paint finishes to chemical resistance, custom powder coating is relied on for a number of reasons.

 

Custom powder coating can be approached in any number of ways. Some service providers and clients prefer different powders be applied as part of their own individual coat; others are amenable to mixing powders to achieve the desired result.

 

In this article we look at a few different types of powder that make up custom powder coating.

 

Epoxy – Epoxies are a common type of powder available. Custom powder coating with epoxy is hard and durable. They offer some of the best chemical resistance of all powder coating. Even with little pretreatment of the metal onto which are to be applied, epoxies adhere extremely well to it. However, epoxies are suited more to indoor applications.

 

Polyesters – Polyesters are the most commonly used powder for custom powder coating. Polyesters offer a number of benefits. Mechanical resistance, flexibility and impact resistance are the forte of this powder. Polyester powders are considered something of a jack of all trades in powder coating – they have no obvious drawbacks, instead a host of beneficial features.

 

Urethanes – Urethanes offer excellent durability making them suitable for applications which will face weathering strain. Additionally, they offer excellent chemical and corrosion resistance Urethanes are used extremely widely in industry and even in consumer level appliances.

 

Custom powder coating has a number of advantages over other ways of applying paint finishes. First, the process is extremely efficient. Excess spray can be recovered easily and be reused. This has obvious advantages environmentally as well as in terms of a less wasteful production process. Powder coating also offers a vast number of finishes. And powders can be mixed to get formulations which imbibe aesthetic characteristics as well as physical properties.


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