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Back to the Basics: Eletrocoating
For some reason, many of our questions seem to be focused on an effort to gain a better understanding of the principles behind an E-coat system. I’ve recently been engaged in an interesting e-mail dialogue with one reader in particular. Following is a recap of our discussion.
Read MoreGetting Better All the Time
Trivalent black passivates currently in use reflect the great strides made in appearance, corrosion protection, and solution life. All these are improved and the processes are a little more like the old two-part hex black. However, they still employ multiple additives and controllers to maintain the solution.
Read MoreAluminum Pretreatment
In your opinion, what pretreatments are adequate for e-coating and/or painting on aluminum substrates for exterior applications?
Read MoreDistinguishing Acid, Alkaline And Cyanide Zinc Deposits
I need a fast, easy way to determine if a zinc deposit is plated from an acid, alkaline or cyanide plating bath. Do you have any suggestions?
Read MoreFisheyes and Galvanized Steel
I have a customer that is running electro-galvanneal through the powder coating process and we continually see “fish eyes” on all of the parts we do. Is there anything that can be done about it? Is there any difference between electro-galvanneal and “paint-lock” galvanneal?
Read MoreCleaning Before Plating
Our plating operations constantly have problems with surface cleaning prior to plating. Can you offer me any insight on how to solve this problem?
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