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What is Anodizing?

What exactly is anodizing?

Anodizing is what we do to our parts after we machine them. So what exactly is it?

According to anodizing.org,

“Anodizing is an electro-chemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish. Aluminum is ideally suited to anodizing, although other nonferrous metals, such as magnesium and titanium, also can be anodized.
The anodic oxide structure originates from the aluminum substrate and is composed entirely of aluminum oxide. This aluminum oxide is not applied to the surface like paint or plating, but is fully integrated with the underlying aluminum substrate, so it cannot chip or peel. It has a highly ordered, porous structure that allows for secondary processes such as coloring and sealing.
Anodizing is accomplished by immersing the aluminum into an acid electrolyte bath and passing an electric current through the medium. A cathode is mounted to the inside of the anodizing tank; the aluminum acts as an anode, so that oxygen ions are released from the electrolyte to combine with the aluminum atoms at the surface of the part being anodized. Anodizing is, therefore, a matter of highly controlled oxidation—the enhancement of a naturally occurring phenomenon.”

What does anodizing do?

Anodizing changes the microscopic texture of the surface and the crystal structure of the metal near the surface. Thick coatings are normally porous, so a sealing process is often needed to achieve corrosion resistance. Anodized aluminium surfaces, for example, are harder than aluminium but have low to

What is Anodizing? PRP Racing Products PRP Philadelphia

moderate wear resistance that can be improved with increasing thickness or by applying suitable sealing substances. Anodic films are generally much stronger and more adherent than most types of paint and metal plating, but also more brittle. This makes them less likely to crack and peel from aging and wear, but more susceptible to cracking from thermal stress.

All of our aluminum parts are anodized, to provide you with all of the advantages. Anodized aluminum can be found on many different applications, including phones, flashlights, cooking ware, cameras, and roofs.

PRP uses many different colors to anodize, our most common are clear, blue, black and red.

PRP also has an exclusive Stealth line of our most popular products, which are anodized in a premium flat black color.

Check out our Stealth line here.

2018-11-16T12:44:37+00:00

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