Aluminum Anodizing/

Custom Anodizing

Custom anodizing is a process in which a small number of parts are uniquely anodized in order to achieve application-specific characteristics, such as the level of hardness or a desired color. The reason it is typically done with a small number of parts is because it is so specifically-geared to one application, and not designed as a mass production open to a wide range of applications.

Fort Wayne Anodizing
Fort Wayne, IN
800-347-1030
Fort Wayne Anodizing offers a variety of anodizing services, including aluminum anodizing, hard coat anodizing, conventional anodizing & impregnating services. All laboratory testing, research and development is produced in-house to ensure a high level of quality control. As one of the most sophisticated finishers nationwide & environmentally conscious, we meet the demands of numerous industries.
Profile Precision Extrusions
Phoenix, AZ
623-936-5599
Profile Precision Extrusions consistently provides the highest quality anodized aluminum extrusions, shapes and tubing. Coating options include clear or color anodizing, sulfuric anodizing, hard coat anodizing and chemical film (clear & gold). Discover the benefits of our aluminum anodizing processes, extending the life of aluminum and enhancing the cosmetic look of aluminum fabricated components.
Mid-States Aluminum Corp.
Fond Du Lac, WI
920-922-7207
Mid-States Aluminum has made a commitment to in-house anodizing services because we understand the added value we can provide our customers by keeping this process a part of our full-service approach to aluminum fabrications. We also understand the importance of managing our process and quality control, as we strive to be an eco-minded partner to our customers and our community. Call us today.
Tompkins Metal Finishing, Inc.
Batavia, NY
800-234-2116
At Tompkins Metal Finishing, we offer mid to high volume sulfuric acid anodizing. We do pre-cleaning, etching, deoxidizng, anodizing, dyeing & sealing. We can achieve a wide range of surface finishes from bright to dull matte in clear, black, gold, blue & red. Hard coat anodizing is also available with consideration of aluminum alloy, coating thickness, masking requirements & racking instructions.
Hillock Anodizing, Inc.
Philadelphia, PA
215-535-8090
Hillock Anodizing provides the finest precision metal finishing to industry. Our production engineering, quality & management staff are aware of the stringent quality & tolerance requirements your parts must adhere to. We welcome your questions and challenges. Our anodizing processes include hard, clear, color (custom and standard), sulfuric, chromic, hard coat with Teflon® & others.
Hardcoatings, Inc.
Charlotte, NC
704-377-2996
From start to finish, we do the job right at Hardcoatings. We are the anodizing specialists. We offer aluminum anodizing, clear anodizing, color anodizing, hard coat anodizing and other metal finishes. We provide friendly assistance to determine exactly what you need among our various services.
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Industry Information

Custom Anodizing

Small-scale designers and artists can create custom anodized products in their own homes for items such as bicycle and paintball gun designs, both of which are widely popular. However, custom anodizing is not only for small businesses. This specialized anodizing process is also practiced by large companies in industries such as: marine, for the protection and decoration of the body of yachts, schooners and other boating vessels; medical, for the anodization of implants that must be uniquely fitted to the individual; commercial, for advertising applications such as custom signage; jewelry, for uniquely designed wedding bands, in which titanium anodizing is hugely popular; and electronics, for custom electronic enclosures such as I-phone casings and computer casings, which are often color anodized for optimum attractiveness. Another way in which custom anodizing can be unique is through the type of acidic solution that is used.

While there are two main types of acidic solutions used in anodizing processes, chromic acid and sulfuric acid, there are several less-used varieties of acid including organic acids, citric acid, boric acid and phosphoric acid. Also, there are a variety of metals to work with. Even though aluminum is the most commonly anodized metal, particularly in the industrial manufacturing industry, there are a wide range of metals, such as zing, magnesium and tantalum that can also be anodized. While mass-produced batches of anodizing are typically done using the bath anodizing method, anodic painting is quite popular in custom anodizing since it is much more practical to perform on a small number of parts than it would be for a large number. In anodic painting, there is a power supply used to provide an electrical current, generally a direct current, which has both an anode lead and a cathode output attached. In addition to being attached to the power supply, the anode lead is also attached to the metal, and the cathode output is attached to the metal ferrule of a paint brush, of which the tip has been dipped in an acidic solution. The anodizing process begins when the power supply is turned on and the metal ferrule touches the surface of the metal.