Hard anodizing processing of aluminum using the Sanford Process™ creates a fine and durable finish.
Hard anodizing process, what is it? Developed more than forty years ago, the hard anodize method is an electrochemical process that involves placing an aluminum part into an electrolytic bath and applying electrical current through the bath. This process forms an oxide coating (sapphire-hard) on the aluminum part. The oxide coating is built up by a process of anodic oxidation in a cooled acid electrolyte, thus preventing any thermal or physical distortion of precision-engineered components. This oxide coating can be harder than case hardened steel and provide excellent abrasion resistance; it is protective to the aluminum part and can be very durable.
The thickness of the hard anodize piece can be very closely controlled and be applied to a wide variety of parts to suit applications from many industries. Secondary treatments such as impregnation with solid film lubricants and colored dyes are available.
You'll find Sanford Process™ hard anodizing parts anywhere you find aluminum surfaces... on the moon, under the sea, in hospitals, schools, laboratories, factories, and in your own home.
When you need to give an aluminum surface the hardness of casehardened steel while maintaining the lightweight and strength of the aluminum, you need to use the Sanford Process™. The Sanford Process™ is a hard anodizing process that is so versatile it enables us to hardcoat virtually all alloys (including 2000 series).
The Sanford Process™ is the leading technology in the global hard anodizing market. Advantages of the Sanford Process™ include the capability of hard anodize all aluminum alloys, higher abrasion resistance, superior coating hardness and uniformity, higher thermal conductivity and corrosion resistance, and the ability to dye with bright vibrant colors.
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