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| Zaclon AB Flux |
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Zaclon AB Flux is a fume free flux
it does not contain ammonium chloride. It is a proprietary mixture of zinc chloride and potassium chloride, and is used as a kettle top cover to prevent the formation of zinc ash and as a fluxing agent to recover the zinc metal from kettle ash skimmings. The lack of ammonium chloride makes the flux a low activity material, but also enables very long flux life and low consumption. Flux consumption can be 50% less than with normal triple salt fluxes.
Zaclon AB is an appropriate top flux where little actual oxide removal is needed. It is often used as a top flux in combination with a more active preflux such as Zaclon High Speed 50'C the combination will give a foamy, low viscosity top flux even at temperatures well below normal galvanizing ranges. This combination is especially popular for application of tin/lead and tin/zinc terne coatings, and has been used for 100% tin application as well in hot dip steel sheet lines. Applications on hot dip sheet galvanizing lines are also possible, normally with preflux solution Zaclon Won continuous/sheet by sheet lines, though applications with Zaclon CS, Zaclon F, or even Ammonium Chloride have been tried. The level of activity is determined by each individual line¡¯s parameters and incoming steel. Finally, direct applications for after fabrication galvanizing shops often involve blends of Zaclon AB with higher activity top or prefluxes
this is particularly useful for cast iron work, as it allows good preheating through the top flux. The preheating allows shorter kettle time, decreasing zinc pick-up and dross generation while also cleaning the work in the flux layer. |
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Boiling point, 760 MM Hg : Decomposes
Melting point : 180'C (350'F)
Specific gravity : Not Available
Vapor pressure : Nil
Vapor density : Not Applicable
Solubility in water : Not available
pH Information : 2.0 to 3.0 (ca. 20wt% solution)
Evaporation rate(Butyl acetate=1) : 0
Form : Solid
Appearance : Crystalline
Color : White to Off-White
Odor : Odorless |
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