In my experience, air agitation should move solution through the drilled holes in the boards.  I don't see how it would reduce bath loading.  Of course, you do not want to splash the valuable permanganate solution out of the tank.  One small caution, the alkalinity of the permanganate does absorb a bit of CO2 from the air, but that should not be significant.  Monitor the alkalinity occasionally.  

Denny Fritz



-----Original Message-----
From: Ramakrishnan Saravanan <[log in to unmask]>
To: TechNet <[log in to unmask]>
Sent: Mon, Feb 25, 2013 4:16 pm
Subject: [TN] AIR AGITATION IN LMNO4 DESMEARING


Dear all,
If you u use air agitation in Alkaline Permanganate desmearing solution, does it 
educes the usable total board area than the normal way. The solution is heated 
o 80 deg C. Regards,
R.Saravanan


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