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Color Anodizing

A reliable source for Aluminum Anodizing information and leading Aluminum Anodizing Companies.

Color anodizing is a popular process because it allows for the creation of products in a wide range of colors. Such an enhancement of appearance can make a product more appealing to a potential customer. Buyers of color anodized metals should keep in mind the limitations of the color anodizing process, though. Read More…

Color Anodizing Before the sealing stage of anodization, the oxide surface of a metal can be dyed. This is done when the exterior appearance of the product is significant. There are countless dye colors in color anodization. The colors range from light to dark, although lighter colors may be more difficult to manufacture on certain alloys.
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Leading Manufacturers

Huntington Beach, CA  |  714-898-4377

Since 1966, TIODIZE® has specialized in aluminum anodizing. We offer coatings such as titanium anodizing, ALUMAZITE®—Corrosion Coatings, TIOLUBE®—Dry Film Lubricants and titanium color anodizing. We provide services for a variety of industries, including aerospace and military.

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TIODIZE® Co., Inc. $$$

Vaughn, ON  |  855-937-7732

We specialize in aluminum anodizing, chromate conversion coatings, hard anodizing and sulfuric anodizing. To assure process repeatability and finish consistency, we use computer-controlled processing. All of our processes meet military specifications. Our quality system is certified to ISO 9001:2015, AS-9100 Rev D & NADCAP.

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West-Tech Finishing Inc. $$$

Chatham, ON, Chavies, KY  |  877-556-9191

Dajcor Aluminum is the leading Canadian supplier of extruded, fabricated/machined and anodized components and assemblies to the automotive, renewable energy, transportation, building trades, military, recreation, and consumer-product industries.

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Dajcor Aluminum Ltd. $$$

Rockland, MA  |  800-998-0390

For over 30 years AMF Technologies has been a leading provider of aluminum anodizing services. As an ISO 9001:2008 certified company, we provide low-cost specialty metal products for the pharmaceutical, medical, biotechnology and semi-conductor industries. By utilizing our core competencies we are able to provide an enhanced ability to meet our customer’s demands in an ever-changing market.

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AMF Technologies $$$

Nanticoke, PA  |  570-735-7777

Reilly Finishing Technologies is a privately held, EPA award winning, AS9100, ISO 9001:2008 and RoHS compliant metal finishing company. Our capabilities include but are not limited to plating, anodizing, powder coating and related services for imparting enhanced surface properties. Our value added processes are assembly, warehousing, end use packaging and a Fleet of trucks for pickup and delivery.

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Reilly Finishing Technologies $$$
placeholder image TIODIZE® Co., Inc. West-Tech Finishing Inc. Dajcor Aluminum Ltd. AMF Technologies Reilly Finishing Technologies

For example, some colors fade more easily than others. Black and gold dyes are made by inorganic means; namely they are the result of combining a chemical mixture called ferric ammonium oxalate to an anodized product. This inorganic dye tends to be more lightfast than other colors. Organic colors, which are much more varied, have the downside of being prone to fade. Metallic colors are limited to metallic hues, but remain bright longer then either of the first two processes.

Satin Titanium Color Anodized Aluminum Color Anodizing – Dajcor Aluminum Ltd.

Customers should consult professionals before making decisions about the color of their anodized products. What type of product is being produced will also play a part in what color a customer chooses. For example, the architecture industry tends to use mostly metallic color processes, while organic dyes, used in the electronic and construction fields work best with aluminum.

The actual dying techniques vary depending on the dye being used as well as the metal. Some metals do not require the additional step of dying to create a variety of colors. Anodized titanium naturally produces color, what hue depending on the amount of electrical current used to anodize the piece. Many metal accessories such as body piercing studs, wedding rings and costume jewelry are made from titanium.

However, the most commonly employed color anodization comes from organic and chemical dyes applied directly after the anodizing treatment. Because anodizing increases the pore size of the chemical body at the surface of a metal, it soaks up and retains color well. Once a metal has been dyed, hot water or steam, often mixed with nickel acetate, is used to seal the surface and to convert the oxide into its hydrated form.

This process decreases bleed out and can improve corrosion resistance. Whether the color is a result of the process of anodizing or added, it is just one more reason anodized products are in such high demand.

Color Anodizing Informational Video