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curated with aloha by
ted_yosem
Ted Mooney, P.E. RET
- Pine Beach, NJ
finishing.com -- The Home Page of the Finishing Industry


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Zinc Coating





I want to maintain zinc coating from 60-85 microns on 4-8 mm thick ms materials like angle, pipe, and strips in hot dip galvanising.To maintain this please suggest suitable process.

Rakesh Singh
- Noida,U.P & India
March 8, 2009



March 10, 2009

What thickness do you presently get, Rakesh?

Regards,

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



March 14, 2009

Sir,

Presently I am getting thickness around to 95 to 110 microns in hot dip galvanization of flux of Triple salt of temperature 35 °C and temperature of 450-450 °C

regards,

Rakesh Singh
- Noida, UP, India



April 16, 2009

Sir:

The Temperature of your flux is too low; it must be around 70 C. What is the iron+2 concentration in your flux? What is the density (or baumé) of your flux? What is the sodium chloride concentration (NaCl) in your flux? What is your going-in time (into the zinc) and what is the total time in the zinc (in minutes)? What is the composition of your steel product?

Regards,

Dr. Thomas H. Cook
Galvanizing Consultant - Hot Springs, South Dakota, USA


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