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Chromate and Iridite temperature limitations

Is there any temperature limitations on Chromate or Iridite finished aluminum?

Dan McCartney
Aerospace - Ottawa, Ontario, Canada
2004

I believe the chromate conversion coating breaks down around 150f

Marc Green
anodizer - Boise, Idaho
2004

MIL-C-5541 "suggests" in Notes section (not mandatory) 60 °C (140 F).

Douglas A. Hahn
- Rocky Mount, North Carolina
2004

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