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Black Hard Anodizing

DESCRIPTION

The Black Hard Anodizing or hard dark oxidation allows obtaining all the features of hard oxidation and the aesthetic characteristics of black oxide coloration.

CHARACTERISTICS

  • Substantial growth of the superficial hardness (>500 HV₀₀₅ according to UNI 7796 norms);
  • Resistance to corrosion of the hard oxide layer;
  • Increased resistance to wear and tear and abrasion;
  • Dialettric;
  • Moderate thermic isolation

WIDTHS

From 20 to 50 µm according to initial alloy features and needs.

APPEARANCE

Black Colour

OXIDE ALLOYS

Hard dark oxidation applies to 1000, 5000, 6000, 7000 alloys and up until G-Alsi5 for shell fusion.