Candidate 1 (permanganate seal) shows potential for replacement of dichromate sealer at OO-ALC; Received approval from OO-ALC Engineering Review Board (ERB) to use the permanganate seal; No field demonstration required; Additional testing occurring to ensure no Cr contamination of permanganate bath during anodizing rework; OO-ALC desires completely Cr-free process; Initiated adhesion evaluation of Cr-free primer with permanganate seal.
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