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Type III Industrial Hardcoat Anodizing
TYPE III INDUSTRIAL HARDCOAT ANODIZING

Hardcoat anodizing forms a thick (.001" to .003") aluminum oxide coating. This layer becomes an integral part of the metal. For example, a .002" coating will add .001" above the surface and will penetrate .001" into the metal, resulting in an extremely hard inert coating that significantly enhances the hardness and durability of aluminum.

The precise application of the Hardcoat process provides a uniform surface, even to complex parts, while significantly improving the properties of aluminum.

  • Corrosion Resistance …passes 1000 HR 5% salt spray test
  • Electrical Insulation …equivalent to glass or porcelain
  • Prevents Galvanic Reaction …can be used with steel, copper, brass, etc.
  • Hardness …C60-C70 Rockwell
  • High Operating Temperatures …up to 500°C Fort Wayne Anodizing Hard Coat Anodizing
  • Durability …10 times greater than unanodized Aluminum
  • Excellent Lubricity …Hardcoated parts may run against each other without lubrication in many applications.
  • Conductivity …Voltage breakdown of 2000 to 3000 Volts/mil

Maximum Type III Thickness Per Alloy
Alloy
Max. thickness
Typical Color
2024
2.0 mil
Olive/Grey
5052
2.5 mil
Dark Grey
6061
2.5 mil
Dark Grey
6063
3.0 mil
Olive/Grey
6005
2.5 mil
Olive/Grey
7075
2.0 mil
Olive/Grey

 
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Type (3) Hardcoat Anodizing Type II (2) Aluminum Anodizing Chromate Conversion Impregnation Metabrite Other Services
Aerospace, Automotive culinare, Electronics, Marine Anodizing  
 

 
 
   
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2535 Wayne Trace • Fort Wayne, IN 46803
260-424-1030 • 800-347-1030
Fax: 260-420-4006 • Email: info@fortwayneanodizing.com

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