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Natural Anodizing for high silicon level alloys

DESCRIPTION

The anodic oxidation or natural anodizing for alloys with a high silicon level allows obtaining oxide formation through the passage of electricity within specific parameters in special tanks kept at room temperature:

CHARACTERISTICS

  • Growth of the superficial hardness (280 – 300 HV₀₀₅ according to internal specifications);
  • Resistance to corrosion: over 720 hours in saline fogs;
  • Improved adherence to follow up paintings;
  • Dialettric;
  • Moderate thermic isolation

WIDTHS

From 2 to 15 µm according to initial alloy features and needs.

APPEARANCE

Dark Grey Colour.

OXIDE ALLOYS

Natural oxidation applies to high silicon levels alloys (die-casting alloys for earth and shell fusion).