world gathers for metal finishing
Q&As since 1989
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Want formulation for phosphating solution
I want to know a simple iron phosphating formula such as % phosphoric acid, zinc oxide [affil links] and accelerators. thanks.
Mohammad Hosein Bayatpaint - Qazvin, Iran
2004
"Phosphating of Metals"
by Werner Rausch
on
AbeBooks
or
eBay
or
Amazon
(affil links)
"Phosphating & Metal Pretreatment"
by D.B. Freeman
on
AbeBooks
or
eBay
or
Amazon
(affil links)
Hello, Mr. Bayat. I would suggest that you study the metal finishing journal literature of about 20 years ago, and expired patents, of which there are hundreds on this subject. There are also excellent books on this subject.
There is nothing wrong with seeking such information so that you can manufacture and distribute your own phosphatizing chemicals, but successful formulations are actually rather complex, and printing detailed formulation information on this forum from semi-anonymous people could mean inadvertent dissemination of trade secret info. Sorry, but we can't print detailed formulation info -- although we would be very happy to reference any published info that anyone provides.
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2004
Like always Ted is right. But very simple and not so bad processes exists. Just immerse your objects (iron or low alloyed steel) in solution of 15 gm phosphoric acid/20 gm tannic acid [on eBay or Amazon]/1 lit water (tannic acid [on eBay or Amazon] can be omitted). After that, dry it without rinsing and then you must lacquer or wax it.
Good luck!
Letter 31345 is something for you Mohammad. Good luck!
Goran Budija- Cerovski vrh Croatia
2004
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