Leading Clear Anodizing Manufacturers

Clear anodizing is typically a sulfuric acid anodizing process, and as a result, offers better wear resistance than chromic acid anodizing and comparable corrosion resistance. Used in a variety of applications, clear anodizing benefits diverse industries including: architecture, for use in window and door frames, railings and siding; automotive, for use in trim and housings for various exposed parts; printing, for use as commercial photolithography plates; and industrial manufacturing, for sheet metal and various extrusions such as profiles and cases for additional surface protection. Read More…

Clear Anodizing Clear anodizing is an anodizing process that produces a uniform clear film on the surface of various metals, typically aluminum, which provides the metal with increased corrosion and wear resistance. Utilizing the process of electrolytic passivation, this film is an oxide coating, meaning a hard non-reactive surface, which typically has a thickness of less than .0010".

Alexandria Metal Finishers provides many finishing services, one of which is anodizing. Hardcoat anodizing, aluminum anodizing, hardcoat with Teflon® plus chromic and sulfuric anodizing are some of our processes. We provide services to aerospace, commercial, electronics, medical industries and more.

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Alexandria Metal Finishers $$$

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. $$$

At Tompkins Metal Finishing, we offer mid to high volume aluminum anodizing. We do pre-cleaning, etching, deoxidizng, dyeing and sealing. We can achieve a wide range of surface finishes from bright to dull matte in clear, black, gold, blue and red. Other methods are also available with consideration of alloy, coating thickness, masking requirements and racking instructions.

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Tompkins Metal Finishing, Inc. $$$

At Alexandria Metal Finishers, Inc., we are proud to offer comprehensive aluminum anodizing services tailored to the specific needs of our customers. We deliver high-quality anodized aluminum products that meet the highest standards of durability, aesthetics, and performance. Our aluminum anodizing process involves carefully preparing the surface of aluminum components and subjecting them to an...

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Arrow Finishing Inc. $$$

When you choose INCERTEC, you're choosing a partner committed to excellence in every aspect of aluminum anodizing. Trust us to meet your specific requirements with a dedication to quality that goes beyond expectations. Reach out to us today for more information, and let us elevate your projects to new heights.

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Incertec $$$

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. $$$
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Additionally, clear anodizing can be colored by means such as organic dyes and metallic salts to create colors such as red, yellow, blue and green for decorative applications such as jewelry or artwork. Some further benefits of clear anodizing include decreased part maintenance, reduced metal weight, being environmentally-friendly and increased production efficiency.

The clear anodizing process is basically identical to the Type II sulfuric acid anodizing process. A commonly used anodizing process, Type II sulfuric acid requires the metal to be fully immersed into sulfuric acid, a highly corrosive and oil-like acid that is formed from sulfur dioxide. When the metal is immersed in the acid an electric current, generally direct current, is sent through the sulfuric acid and reacts with anodes on the surface of the material. The reaction of the current and the anodes creates the hard outer film of oxidation.

After the material is removed from the sulfuric acid bath, it is then sealed through the use of hot water in order to enhance the corrosion-resistant properties of the film. If a color is going to be added, then the dye or salt must be introduced after immersion in the sulfuric acid bath but before sealing, so that when sealed, the color will become locked in.

While the addition of color can be eye-catching, clear anodizing allows the natural luster of the metal to shine through. Although aluminum is the most common material used in clear anodizing, other metals may be anodized as well including: titanium, magnesium, zinc, niobium and tantalum.

Clear Anodizing Informational Video

 

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