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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Corrosion Inhibitor for Sulfamic Acid

Q. What can be used as a corrosion inhibitor with sulfamic acid?

Ela Fazli
buyer - Iran
September 20, 2008

September 22, 2008

Hi, Ela. Sorry, but I do not quite understand the question yet. What do you wish the sulphamic acid to attack, and what do you wish it to not damage? Are you wanting to use it as a pickle for rusty steel, for example, and you want it to attack the rust but not attack the steel? (You would not use it unless you want it to corrode something). Thanks.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

January 20, 2014

Q. I desire to make a formulation of the following product:

A descaler with sulfamic acid ⇦ this on eBay or Amazon [affil links] , with corrosion inhibitors. The product will be used for the cleaning of scale deposits and rust in heat exchangers(interchanges), condensers, boilers and other equipments.
The product could be applied to all metals except the zinc and its alloys. For the zinc and its alloys what you could recommend us?

CHARACTERISTICS
Aspect: whitish powder
Content in sulfamic acid ⇦ this on eBay or Amazon [affil links] > 95%
Solubility in the water: 20% at 15 °C
pH (10% of solution) : < 1

thanks

Mohammed Liman
formulations cleaning agents - algeria

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