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Black oxide is a conversion coating for ferrous materials applied most commonly on steel.  When applied, an attractive black finish is obtained.  The high-temperature black oxide process is essentially a chemical conversion of the steel surface and does not change surface dimensions significantly.



  • Zero dimensional impact

  • Anti-galling

  • Apply oil as a supplemental treatment

  • Provides mild corrosion protection

  • Improved lubricity

  • Conductive properties

  • Cost competitive

  • Reduces light reflection

  • Nadcap Certified

  • RoHS compliant

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