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Surface Finishes

Aluminum Anodizing Services

Providing Type II and III anodizing services can meet the diverse needs of customers for different strengths and colors.

ISO 9001:2015 | ISO 13485:2016 | IATF16949


Aluminum Anodizing Overview

Aluminum anodizing is a process that forms an oxide layer on the surface of aluminum parts, thereby improving their corrosion resistance, hardness, and wear resistance. This process utilizes electrochemical principles, where aluminum parts are used as the anode in an electrolyte solution containing appropriate electrolytes, and an external electric current is applied to oxidize them.

This oxide layer is typically composed of aluminum oxide (Al2O3) and possesses excellent corrosion resistance, hardness, and insulation properties. The thickness of the anodized layer can be controlled and is typically between 5 and 25 micrometers.

Aluminum Anodizing Specifications

Features Info
Any RAL code or Pantone number
Type II and III
5 - 25 μm
Surface Hardness
150-500 HV
Surface Roughness
Ra 0.8 - 2.0 μm
Corrosion Resistance
Meets ASTM B117 standard
Bright, smooth, matte finish
Additional Services
Coloring, sealing, etc.

Benefits of Anodizing

Color Options for Aluminum Anodizing

These color options can be achieved through controlling the formation of the oxide layer and the dyeing process, and may be subject to slight variations due to factors such as aluminum alloy composition, pre-treatment methods, and processing parameters.



Champagne Gold

Champagne Gold













Gallery of Anodizing Parts

About Aluminum Anodizing FAQs

Anodized aluminum can last for decades under normal conditions. Its durability is attributed to the protective oxide layer formed during the anodizing process, providing resistance to corrosion, abrasion, and fading. Proper maintenance and care can further extend its lifespan.

The duration of anodizing treatment depends on the size, shape, and quantity of the aluminum products being processed, as well as the desired thickness and color of the oxide layer. Generally, the processing time ranges from several minutes to several hours. We strive to minimize the processing time to meet the needs of our customers.

The cost of anodizing treatment depends on factors such as the size, quantity, processing complexity, and required color of the parts. We offer competitive pricing and strive to ensure that customers receive cost-effective services. Contact us for a quotation.

In essence, anodizing enhances the natural oxide layer on aluminum, providing additional protection against corrosion, wear, and other environmental factors. It also allows for the introduction of various colors through dyeing processes, improving the aesthetic appeal of the aluminum while maintaining its structural integrity.

We offer a variety of color options, including natural aluminum, black, gold, silver, and more. These colors can be achieved by controlling the formation of the oxide layer and the dyeing process.

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