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Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing since 1989
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MG32 Etch Bath
Our company has an automated sulfuric anodizing line that does mostly type 3 anodizing. I'm new to the world of anodizing and would like to get some feedback from anyone using the MG32 etch bath from Chemetall. Would like to hear what etch to aluminum ratios, temps, etch times and color of the bath. We anodize mostly 3003 H-14 and some 6061 as well. Our etch bath has just been changed and is currently at (etch) 50g/l and our aluminum content is at 25 g/l. I use the Chemetall's bath procedure to check etch and aluminum content and but not able to check the MG32 content. We also maintain our bath temp at the recommended temp of 130 degrees. Thanks in advance.
Scott FrazierAnodizer - Spokane Valley, Washington
January 17, 2011
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