Black Oxide Coating
ALF Industries custom finishing services provide the ability to black oxide coat your custom parts easily. Design, price and order black oxide coated parts with ALF’s FREE CAD.
50+ Materials.
3M+ Parts Made.
20+ Years Experience.
Black Oxide ServiceS
What is Black Oxide Coating?
Black oxide, sometimes referred to as blackening, is a low-cost finishing method for adding corrosion resistance, reducing reflection, and enhancing the appearance of parts. Black oxide conversion coatings are created by submerging ferrous parts in a hot alkaline aqueous salt solution bath. Once immersed, a chemical reaction is created on the surface of the parts, which results in a magnetite coating. As a final step, an after-finish of oil, wax, or lacquer is applied for added corrosion resistance.
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