Fluxes are used as a “preflux”, or solution flux and/or as a “top flux” or molten salt flux floating on the liquid zinc metal. The fluxing process creates a metallurgically clean steel or iron surface in the galvanizing kettle, allowing reaction with molten zinc at about 825° F and the formation of a high quality, adherent galvanized coating.
We offers a wide range of products for the hot-dip galvanizer. This includes “HODGA TRIPLE SALT or HODGA DOUBLE SALT & HB100 NICKEL-SALT” as Galvanizing Fluxes in solid and solution forms, zinc chloride, and a unique physical form of ammonium chloride. Our HODGA flux product applications as coating from preflux and top flux for hot-dip galvanizing, for wire and sheet galvanizing, tube & pipe, wire, small parts such as bolts and nuts, structural steels, fencing, and steel sheet coils in many parts etc.
HODGA In – An effective acid inhibitor are used in acid pickling baths to prevent over pickling & loss of base metal during proper pickling. It also prolongs life of acid baths. Steel metal surfaces have to be free from rusting and scale for further process in dipping zinc bath. Using of our HODGA In- inhibitors also reduce releasing of acid fumes which is harmful for workers.
HODGA Galvanizing Fluxes are available in a salt form as well as in form of concentrated solutions of liquid flux in almost any desired ratio or formulation of zinc ammonium chloride and with other additives & wetting agents for exclusive uses in hot dip galvanizing operation.
Our Hodga Triple & Double salts of Flux are formulated with wetting agents, flux additives and surfactants as chemistries blending with zinc ammonia chloride which provides a coating films for reactive steel which minimizing zinc losses in the zinc kettle, skimmings completely eliminate zinc kettle spatter. Fluxes are used as a “preflux”, or solution flux and/or as a “top flux” or molten salt flux floating on the liquid zinc metal. The fluxing process creates a metallurgically clean steel or iron surface in the galvanizing kettle, allowing reaction with molten zinc at about 825° F and the formation of a high quality, adherent galvanized coating.
Hot-dip galvanizing involves reacting metallurgically clean steel or iron with molten zinc or zinc alloy. The normal hot-dip galvanizing process involves a cleaning/degreasing step before descaling or “pickling” in hydrochloric or sulfuric acid. After rinsing, the treated surface is very active and forms light iron oxide layers rapidly. HODGA flux (Double triple or Nickel based flux) dissolves the oxides that may form on steel or iron preventing further oxidation before galvanizing. The flux also helps reactions in the molten zinc by controlling formation of zinc oxide.
HODGA Flux is a low-smoke flux, often used for reducing zinc metal losses in zinc ashes. Its also enables very long flux life and low consumption. Flux consumption can be 50% less than with normal triple salt fluxes.
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