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Aluminum DAF /Filter coating

Aluminum DAF /Filter coating

Aluminum DAF /Filter coating

(OP)
In the water treatment plant we have installed DAF & Flitter. We found translucent jelly substance along the wall of filter 2 month after the installation.  It seems to me aluminum corrosion by manganese or chlorine.
I am trying to find appropriate coating product with NSF approval, which is suitable for aluminum tank and having good chemical resistance.
Thanks in advance for sharing the information and knowledge.
 

RE: Aluminum DAF /Filter coating

What is your application and what chemicals are you using? Why do you require NSF?

RE: Aluminum DAF /Filter coating

(OP)
It is water treatment plant filter therefore product should be suitable for potable water application. Coating is to prevent future corrosion on aluminum.  

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