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Triple Salt and Quadra Flux Densities?

Quickstart:
Before steel parts are dipped into a hot-dip galvanizing tank for zinc coating, they must be dipped in a flux tank for activation. Several different flux formulations are possible including 'triple salt' and 'quadraflux'.

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"Hot Dip Galvanizing of Steel Structures" by Kuklik & Kudlacek (2016)
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"Handbook of Hot Dip Galvanization" by Maass & Peissker (2011)
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"Galvanized Steel Reinforcement in Concrete" by Stephen Yeomans (2004)
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"Hot Dip Galvanizing -- A Guide to Process Selection & Galvanizing Practice" by M. J. Hornsby (1995)
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Q. Dear All,

I want to know what is the density or (baumé) for the Triple Salt flux and the Quadra Flux.

Thanks in advance for your all time valued support

Best Regards,

Riad ElEzbawy
- Egypt
April 9, 2009

A. Sir:

New (uncontaminated) triple salt flux has a density as follows:

baumé...Density g/L....Conc Kg/L....Conc Lb/US Gal
.10........1.0741.........0.151...........1.26.....
.15........1.1154.........0.247...........2.06.....
.20........1.1600.........0.365...........3.05.....

Triple salt consists of 54% ammonium chloride and 46% zinc chloride, thus having an ACN of 1.17 (ACN = ammonium chloride/zinc chloride).

New quadraflux has an ACN of 1.57 and has a baumé or density a bit lower than triple salt for a specific concentration.

Regards,

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

Q. Dear all, I want to know how many percent of ammonium chloride does quadraflux have ??

Elmer Bravo
Galvanizing - Cavite, Philippines
November 25, 2011

A. Quadra flux has 61 percent ammonium chloride and 39 percent zinc chloride.

Hansmani
Senior Engineer- Galva - Samastipur, India
June 22, 2025

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