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What is the difference between conventional anodize and hardcoat?

April 26, 2017anodize conventional difference hardcoat

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What is the difference between conventional anodize and hardcoat?

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The conventional anodize (Type II) coatings can vary between .0001 – .0009 with 80% of the coating penetrating the base metal. The coating is transparent and can be left in it’s natural state or dyed in a variety of colors. We can process Hardcoating Anodizing or type III coating thickness range from .0005 – .0025. The coating color varies from a dark gray to a bronze shade depending on the alloy and can be dyed in a variety of deep shades. 50% of the coating penetrates the base metal and 50% builds-up on the metal surface. A .002″ hardcoat will add a total of .001″ per surface or .002″ on diameter, therefore it is important to allow for these dimensions when machining a part.