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Galvanizing Fluxes
Zaclon LLC. manufactures the widest available range of solid and solution zinc ammonium chloride-based products, primarily used as galvanizing fluxes. Zaclon® zinc ammonium chloride products are also used by our customers for manufacturing other products, such as plumbing or brazing fluxes and electroplating solutions.
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, usually an alkaline metal cleaner; then rinsing, before descaling or "pickling" in hydrochloric or sulfuric acid. After rinsing, the treated surface is very active and forms light iron oxide layers rapidly. Zaclon galvanizing flux dissolves the oxides that may form on steel or iron, prevent further oxidation before galvanizing.The flux also helps reactions in the molten zinc, controlling formation of zinc oxides.
Fluxes are used as a "preflux", or solution flux and/or as a "topflux" 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, fully alloyed galvanized coating.
Zaclon Galvanizing Fluxes are available in granular, rod and fine particle sizes. Zaclon fluxes are made in a variety of zinc chloride to ammonium chloride weight ratios, and with special additive packages for specific customer needs. These products ship in 50 lb. bags, 400 lb. drums, and large supersacks.
Concentrated Zaclon solution fluxes are available in any ratio of zinc chloride to ammonium chloride, and can be shipped in railcars, bulk trucks, bulk drums or drums. Special solution fluxes with unique wetting agent packages and other additives have been formulated for the needs of the continuous sheet and wire galvanizing operation, including products thermally stable for preheating up to 600° F.
Zaclon® Galvanizing Fluxes are widely used throughout the world for general job shop galvanizing for small parts, structures, tubes and pipe; and for continuous galvanizing operations for wire, fencing, sheet and tube. Zaclon® galvanizing fluxes are also used as building blocks for a wide variety of brazing, soldering, and welding fluxes.
Other Zaclon Specialty Fluxes
Zaclon LLC. also produces specialty fluxes for specific needs.
»Sulfate Control Flux: formulated with additives for the job shop using sulfuric acid for pickling.
»High Speed, Kleanrol, and Zaclon A-type fluxes are used in continuous and batch hot-dip terne (lead-tin) and high-tin coating.
»Zaclon ZR is a patented flux for operations using high aluminum zinc alloys, such as Galfan alloy from ILZRO (International Lead Zinc Research Organization) and "Galvalume" coating lines.
»Zaclon AB is a low-smoke flux, often used for reducing zinc metal losses in zinc ashes.
Zaclon®is the registered trademark of Zaclon LLC. fluxes
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