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topic 8404

Seeking Iriditing Service on Large Weldment


I am the Buyer at an aluminum company in Baltimore, MD., looking for a company that has the capability to Iridite coat an aluminum weldment. The weldment weighs approximately 2000 lbs. with rough dimensions of 6'H X 6'L X 11'W. Must be Iridited to Mil-C-5541 [link is to free spec at Defense Logistics Agency,] Class 3. The Iriditing is prep for painting, cosmetic appearance upon completion is not important.

Stacey A [last name deleted for privacy by Editor]
- Baltimore, Maryland


Alodine and Iridite are commercially available and can be brushed dipped or wiped and this is easily accomplished in house. The difference between the classes is basically time in the solution, or time on the part however you choose to apply the Iridite or Alodine. Obtaining a copy of the mil spec will help you apply with the time required to achieve the class three rating

Brad Sawyers
- Racine, Wisconsin

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