How Does Imitation Anodized Powder Coating Work?

Our imitation anodized powder coatings are suitable for anodic oxidation effect for product appearance, as well as environmental protection requirements such as Rohs and Reach.

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Coating characteristics includes good adhesion, excellent mechanical properties, tough coating film. Coating film is smooth and gloss, good outdoor endurance, excellent resistance to excessive baking.

They are suitable for a variety of outdoor products decoration and protection, such as: aluminum curtain wall, door and window frame, ceiling, etc

Spraying method: high voltage electrostatic spraying 60-80KV

Recommended film thickness: 60-80 um

Application parameters: the curing time is 200°C x 10--15minutes.

Powder Coating for Imitation Anodize

We offer an extensive selection of powder coating colors specifically tailored for imitation anodize purposes. The colors listed are part of our existing inventory and are available for immediate shipment to meet your needs.

If you require customized powder coating colors, we are happy to assist. Please provide us with the specific RAL color card number or Pantone color number, and we will work to match your requirements with precision. 

FAQs: Why Choose Our Powder Coatings for Imitation Anodize Purposes?

The main reasons for choosing our imitation anodized powder coatings are their excellent performance, environmentally friendly properties and wide range of application prospects.

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First of all, imitation anodized powder coating has outstanding performance. It combines the advantages of epoxy resin and fluorocarbon resin to form a new type of fine art powder coating. This coating not only maintains the metallic luster of the coated substrate, but also gives it a bright color, resulting in an excellent decorative effect of the coating appearance. At the same time, it also has excellent weathering, abrasion, and corrosion resistance, which can prolong the service life of the product.

Secondly, the environmental protection characteristic is another big reason for choosing our powder coatings. Compared with traditional liquid coatings, powder coatings do not use organic solvents and are therefore much less polluting in water and the atmosphere. This is in line with today's society's increasing demand for environmental protection, and demonstrates our company's commitment to green, sustainable development.

Finally, imitation anodized powder coating has a wide range of application prospects. It can be applied to a wide range of metal materials, such as aluminum and aluminum alloys, and is suitable for a variety of industries, including automotive parts, furniture, electrical appliance housings, and high-grade decorative fields. This wide applicability allows our powder coatings to meet the needs of different customers and provide them with customized solutions.

In summary, by choosing our imitation anodized powder coatings, you will get a coating product with excellent performance, environmental friendliness and a wide range of applications.

Anodizing involves creating an artificial oxide layer on the surface of a non-ferrous alloy, aluminum-based alloys being the most traditional, and hard coat, also known as Type III anodizing, provides the most durable layer of them all (between 400 and 600HV on the Vickers scale). Also known by its U.S. military specification of “MIL-PRF-F,” the process can also make the surface electrically resistant, causing it to act like an insulator. Hardcoat anodize on Xometry's platform conforms to MIL-A-/MIL-PRF-, Type III, Class 1/2 with finishing certs provided. To learn more about this fabricating process and how it works, read on.

What is Hard Coat Anodizing?

Hard coat anodizing is a fabrication and finishing process used on alloy metals to make them stronger and more durable. It creates a protective oxide layer that’s .002" thick—sometimes double the thickness of the layer made with regular anodizing. It’s used a lot on aluminum and gives the material more resistance against corrosion, scratches, and wear and tear. It’s a particularly helpful process for parts exposed to the elements and extreme weather conditions. 

Surfaces that have been hard coat anodized can be colored using dyes, but if aesthetics are more important than durability to you, go for something like the Type II sulfuric acid method, which allows for more colors and is easier to dye. In addition to aluminum, the hard coat method can also be used on materials like titanium and magnesium, and makes their surface non-conductive and in some cases, very pretty.

It’s no surprise that this process is used all the time in the optics, defense, aerospace, food service, architectural, and medical industries. But, like every manufacturing method, there are a couple of downsides you might want to keep in mind. First of all, the part ’s fatigue strength will likely be reduced. If your part will be exposed to cyclic loading, you might want to consider Type I or Type II anodizing. Also, as mentioned briefly, hard coat anodizing won’t give you as many color options as other types will, and that’s because the oxide layer is very thick, making it darker and almost bronze-gray in color. With hard-coat anodized parts, you’ll have to seal the surface if you want to dye it, which will likely reduce its abrasion properties.

How it Works

There are a few steps to the process, starting with cleaning the part and etching off its natural oxide layer. You should then be left with a clean, uniform surface to get started on. The part is then dunked in a temperature-regulated acidic electrolyte liquid (usually sulfuric acid) and acts as the anode while it's connected to a positive electrode. To complete the electrical circuit, a cathode that’s made from an unreactive material needs to be inside the bath.

This type of anodizing requires a higher voltage than the others—it usually starts at around 25V DC and goes up to 60–100V as it goes on—because the oxide layer will become less conductive as it gets thicker, so turning up the voltage will make up for this. You can also control the thickness of the new layer by adjusting things like the temperature of the electrolytes, the voltage, the concentration of acid, and how long it’s in there. This is an image of an anodized aluminum part we made here at Xometry:

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