Aluminum Conversion Coatings

Iridite/Alodine

Iridite chromate based coating is a passivation treatment designed specifically for aluminum alloys.  Keystone Iridite is the reliable and cost effective chromate based pretreatment for aluminum.

KeyGuard - 100% RoHS Compliant  RoHS Compliant

KeyGuard chrome-free RoHS compliant conversion coating is a passivation treatment designed specifically for aluminum alloys.  Keystone KeyGuard is the reliable and cost effective non-chromate based pretreatment for aluminum.

Both Keystone Iridite and KeyGuard provide high adhesion values for paints and powder coatings as well as excellent corrosion resistance. Keystone K is the reliable and cost effective chromate based pretreatment for aluminum.

Keystone offers the following for Iridite and KeyGuard aluminum coating:

  • Yellow
  • Clear

Applications

 

Iridite and KeyGuard coating have proved invaluable in countless communications and electronics applications. Some traditional uses of Keystone aluminum conversion coating include:

  • Machinery
  • Electronics
  • Communications
  • Aerospace
  • Military

Specifications

 

Keystone Iridite meets the following specifications:

  • MIL-DTL-5541
  • ASTM B449
  • ASTM B921
  • AMS 2473
  • AMS 2474

 

Contact Keystone For Aluminum Conversion Coatings

Ready to get your project started with us? Have a few questions that you need answered? Contact Keystone Finishing today, and we would be happy to discuss your specific needs, and reassure you how we can meet them for you.

 

Iridite Aluminum Conversion Coating