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

 

    Iridite Aluminum Conversion Coating