Can Surfactants Be Used in Chem Film and Sodium Dichromate Baths

March 6, 2013

Q. Does anyone out there use surfactants in their chem film and/or their sodium dichromate seal baths?

Does adding the surfactants have any effect on the seal quality or the chem film coating.

To meet the new EPA guidelines I may have add surfactants to reduce surface tension.

Tim Hamlett
Process Quality Supervisor - Pompano Beach, Florida, USA

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