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While anodizers most frequently work with aluminum alloys, due to the decreased corrosion resistance that results from the addition of the alloyed elements such as copper, iron and silicon, they also work with various other metals including niobium, tantalum, magnesium, zinc, titanium and tungsten. As a result of the variety of workable metals, anodizers are able to provide metal materials and parts to a wide range of industries including: industrial manufacturing, for anodized bars, rods, angles and profiles used in various processing applications. Read More…

Anodizers Anodizers are service providers of the anodizing process, creating anodized metals with increased wear and corrosion resistance. Anodizers are able to provide increased resistance by thickening the surface layer of the metal with a non-conductive oxide film, while reducing the overall weight of the metal.
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Leading Manufacturers

Cicero, IL  |  708-222-5300

Our standard aluminum anodizing is sure to please! We are able to provide this service to you from our state of the art facility in Cicero, Illinois. We have proven time and time again that we are able to provide many diverse products, and have become known as one of the most versatile companies in the industry. Our capabilities and expertise are what allow us to be able to complete any finishing application with ease. Contact our staff to learn more today!

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Saporito Finishing Co. $$$

Reading, PA  |  610-374-5107

Specializing in color anodizing and chemical brightening for over 60 years, US Anodize has wasted no time in perfecting our aluminum anodizing methods and manufacturing process. We offer aluminum anodizing, PERMODIZE®, chromate conversion, and laser engraving. We serve a variety of industries, including automotive, military, medical, and more. We are capable of completing custom orders in our 50,000 square foot facility through the use of both of our high-volume anodizing lines.

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US Anodize $$$

North Tonawanda, NY  |  716-694-5001

Val-Kro Industrial Plating Inc. is an ISO 9001-certified company specializing in Electroless Nickel Plating, Type II Anodizing, Type III Anodizing, Chromate Conversion, Abrasive Blasting, Passivation, and Superfinishing. We offer a diverse line of Electroless Nickel Coatings with rack, barrel, and wire plating capabilities and can accommodate both low and high-volume production requirements. Val-Kro also offers both Conventional and Hardcoat Anodizing using our proprietary anodizing line.

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Val-Kro, Inc. $$$

Hillside, IL  |  708-547-6680

If you are looking for a durable, aesthetically pleasing finish, look no further. We offer a large array of chemical finishing services. We offer Type II, bright dip anodizing, and hard coat anodizing, as well as an architectural anodizing process and powder coating. Since our inception over 50 years ago, Ace Anodizing has cultivated a reputation of providing quick turnaround times and superior services and products with reliable quality you can trust. Rush services available.

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Ace Anodizing $$$
placeholder image Saporito Finishing Co. US Anodize Val-Kro, Inc. Ace Anodizing

These applications include electronics, for protective encasings of a variety of electrical equipment; automotive, for use as the trim and the body of the vehicle; military, for small parts such as fine aluminum wire as well as large military aerospace parts; and medical, for surgical instruments and implants, to name just a few.

In addition, several industries have certain standards that anodizers should ideally adhere to such as the American Architectural Manufacturers Association (AAMA) standard 611-98, for anodized architectural aluminum.

Type II Conventional Anodized Aluminum Components Anodizers - Extrude-A-Trim

Anodizers can use several different anodizing processes, ranging from the common to the experimental and obscure. The main difference between many of these processes is the type of acidic solution that is used. The two main types of acids used are chromic acid and sulfuric acid. Chromic acid refers to the H2 CrO4, which is an oxidizing acid family that the Environmental Protection Agency has placed restrictions on. The uses of certain types of this acid have been classified as a human carcinogen.

While emissions resulting from sulfuric acid, which refers to a strong mineral acid that is very similar to chromic acid, are also restricted by the EPA, it is considered less dangerous than the emission of chromic acid. However, there are some new developments in chromic acid that are much more environmentally-friendly. Additional acidic solutions used by anodizers include citric acid, phosphoric acid, boric acid and organic acids.

The two main types of anodizing processes that anodizers use are bath anodizing and anodic painting, although bath anodizing is more common in industrial applications. In bath anodizing the metal is fully immersed in the acidic solution, while in anodic painting the metal ferrule of a paint brush is dipped in the acidic solution and then used to apply it to the metal. As a result, anodizers typically use bath anodizing for mass production and anodic painting for smaller projects.