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Room preparation for chemical milling

July 15, 2009

I'm a new player in chemical milling. I work in a research center and we'll have the installations for Titanium vacuum melting and HIPing. I'd like to know :

1- Do we need to put a special paint on the wall in the room where the chemical milling will done ?
2- What do you do with the water used for rinsing. Can we neutralize it and dump it ?
3- For the acid bath, what is the service life ? can I just adjust the acid ratio when the bath is not giving me the result I want ? If I want to dump it, can I just neutralize it ?

You may find those question trivial, but I'm not a chemist, just a metallurgist ;)

Regards,

Nicolas Giguere
Canada

Nicolas Giguere
Engineer - Trois-Rivieres, Quebec, Canada

Which chemicals are in use and there concentrations as well as process parameters (pressure, temerature etc?). These informations will allow many of us giving might the right answers to help ya' out.

Best regards,

Dominik Michalek
- Mexico City, Mexico
August 15, 2009

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