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Iron Phosphate Coatings
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Simple, Flexible Process That Inhibits Corrosion and Improves Adhesion to Metallic Surfaces
Iron phosphate conversion coatings are formulated for spray and immersion applications on steel, aluminum, and zinc surfaces. The iron phosphate process changes the topographical and chemical nature of the surface, producing a uniform non-metallic iron phosphate conversion coating that inhibits corrosion and increases the adhesion and durability of paint finishes.
The iron phosphate pretreatment chemistry supports a wide variety of applications ranging from a single stage spray application to multi-stage spray or immersion systems. The single stage application simultaneously cleans and develops a conversion coating, while the multi-stage systems can employ a separate cleaner and conversion coating stage. The specific iron phosphate coating application method generally depends on the size of the parts being treated and the desired corrosion performance.
The iron phosphate coating process has a wide variety of uses in industries, which include general manufacturing, automotive, HVAC, and aerospace and compatible with today’s paint systems such as iron phosphate for powder coating, electrocoat, and water or solvent based applications.
Henkel is a leading provider of a wide range of iron phosphate products under the BONDERITE® M-FE naming. These Iron Phosphate products range from single stage cleaner/coaters to multi-stage products designed to coat multi-metal operations of steel, zinc, and aluminum. However, to successfully treat zinc and aluminum surfaces in an iron phosphate solution process, some modifications to the formulation and operating parameters are required.
In combination with customer performance requirements and Henkel’s expertise, we will recommend the appropriate application layout to meet your customer’s expectations and requirements.
Iron Phosphate Process Summaries
The iron phosphate conversion coating process is designed to remove surface contaminates while creating a non-metallic conversion coating on steel, zinc, and aluminum prior to paint applications. There are specific formulations and operating parameters required to successfully process zinc and aluminum through an iron phosphate bath solution. Once applied and in conjunction with the paint system the iron phosphate conversion coating promotes paint adhesion and corrosion protection. Henkel’s BONDERITE® iron phosphate conversion coatings are compatible with most paint systems, such as powder coating, electrocoat and water or solvent based applications.
Benefits of BONDERITE®'s Iron Phosphate Coatings
BONDERITE® iron phosphate coating products combine processing and commercial benefits that can make a significant difference to the everyday processing efficiency and economy of your business.
Henkel’s portfolio of iron phosphate coating solutions include:
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Lower processing costs
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Fewer operational steps
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Simple control parameters
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Flexible process
