How to Control Black Oxide Coating Thickness?

How Does Black Oxide Concentrate Improve Metal Finishing?

Black oxide concentrate technology is far more than a simple “dyeing” process. It builds a multifunctional protective layer on the metal surface through a precise chemical reaction and subsequent sealing treatment, while achieving excellent rust protection, excellent friction reduction and wear resistance, absolutely no risk of hydrogen embrittlement, beautiful matte appearance and excellent coating adhesion base.

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