Different Types of Powder Coating Options
Powder coating has applications in a variety of industries. Its corrosion protection, chemical resistance and aesthetic appeal make it an ideal finish for agricultural implements, vehicles and even medical equipment.
When you choose powder over liquid paint, your parts are coated with a layer that provides better protection. Color, sheen and texture make up the customizable elements of your chosen finish. However, businesses should start the coating process by choosing the type of powder that best fits their needs.
What is Powder Coating?
Powder coating is a dry finishing solution, created by an electric charge applied to dry powder on a composite’s surface. The electric charge causes the powder to fuse to the surface of a component, before the product is placed into a curing oven, ensuring a robust and even protective layer.
Compared to other finishing options, such as liquid paint, the powder coating process has a number of distinct benefits. The lack of a liquid carrier means a powder coating can produce thicker protective layers than conventional alternatives, without running or sagging.
Additionally, powder coating offers an excellent combination of aesthetic appeal and durability. Powder coats aren’t prone to chips and scratches, like liquid paint. They also offer an innate level of corrosion resistance, ideal for improving the longevity of metal products.
Additionally, the wide range of powder coating solutions available allow customers to access vibrant finishes in a range of colors, textures, and styles, to suit any purpose. While all types of powder coating can offer enhanced durability, corrosion resistance and versatility, different styles of powder have their own unique benefits and capabilities to consider.
Different Types of Powder Coating:
In the industrial landscape, solutions are constantly evolving. The right powder coating company will help you to choose the ideal type of powder for your specific situation. Here are some of the most common types of coatings available from powder coating specialists.
Epoxy Powder Coating:
Despite being one of the first powder coats commonly available, epoxy remains one of the most popular finishes. It’s an excellent choice for manufacturers in several industries. The reason for this popularity lies in the benefits of using epoxy. Advanced hardness and impressive resistance to chemicals and corrosion are just two factors that give epoxy its value.
Epoxy is durable. However, it is limited to indoor use. Exposure to UV rays will cause fading, chalking and other surface-level degradation.
Some of the industries that use epoxy powder coating are:
Medical equipment
Oil drilling
Natural gas production
Benefits of Epoxy Powder Coating
Choose an epoxy powder coat for several benefits, including:
Uniformity
Hardness
Strong adhesion with pretreatments
Polyester Powder Coating:
Polyester has less chemical resistance than other coating options. However, the powder is so weather-resistant that it’s common on products like fencing. The quality that makes polyester powder coatings stand out is their low cure temperature, which makes them ideal for more heat-sensitive items.
There are two types of polyester powder coatings — TGIC and urethane polyester. TGIC has a lower cure temperature than urethane polyester. The other constraint on polyester urethanes lies in its minimum thickness, because it can have a peeling effect on the coating.
Polyester powder coating has applications in the following industries:
Plumbing
Power transmission
Outdoor decorations and furniture
Benefits of Polyester Powder Coating
Using a polyester powder coat has several advantages, including:
Cost efficiency
Overbake resistance
Wide range of color choices
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