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

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.

Some of Our Service Areas:

Binghamton, NY
Buffalo, NY
Chicago, IL
Erie, PA
Rochester, NY
Syracuse, NY
And more!