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May 21st, 2013, 7:36pm
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deposits (Read 47 times)
doaa
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Company or Organization: Setco
deposits
Jan 10th, 2012, 12:18am
 
sirs,.

we have a complain from one of our customer around having white , milky deposits in condenser tubes .

we are using a combination of STP phosphate polymer with Zinc/Phosphate corrosion inhibitor and we are maintaining PH @ 7.5-8.5 ,Phosphate @8 ppm and Zn @ 2 ppm .

what is reason in your opinion ??
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DrHenry
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Company or Organization: CESTAB (see bio)
Re: deposits
Reply #1 - Jan 10th, 2012, 2:49pm
 
My first guess would be rubber and/or plastic seal or joint degradation.
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