Hard Coat Anodize

CTI completed the installation of its new Hard Coat Anodize line in April of 2007. With this new line we have substantially increased our production capacity from small lots and prototype work to full production runs. This new line runs at 32-40°F depending upon the requirements, and the finishes produced meet all ASTM and military specifications.

Hard anodizing is a surface treatment process used extensively to improve the performance of a large variety of aluminum alloy components. The benefits of hard coat anodize include improved:

  • Thickness
  • Corrosion resistance
  • Hardness and wear resistance
  • Electrical resistance
  • Temperature resistance
  • Friction coefficient after lubrication

The regular anodizing process produces a dense aluminum oxide coating 0.1 to 0.8 mils thick. The hard coat process, which requires very specialized equipment, produces a much denser and thicker oxide coating of 1 to 4 mils. The many industries taking advantage of hard coat anodize include: aerospace, defense, pneumatics, hydraulics, automotive, energy, electronic, chemical, medical, bakeware, textiles, and marine.

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