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Aluminium Anodising - Oxidation

aluminium anodising, anodic oxidation, electrochemical oxidation of alumium, aluminium passivation, treatment and coating of metals, galvanic treatments, electroplating, corrosion protection

The company BLANDO SRL is specialised in eloxation - anodization - anodic oxidization of the small and medium aluminium parts, the maximum dimensions being: 1400 x 250 x 900 cm and max. 20-25 kg.

The eloxation – anodization – anodic oxidization: is an electrochemical process consisting of obtaining a protective coat of resistant and homogenous aluminium oxide, that insures the anticorrosive protection.
It is made by electrolysis (using direct current) in an acid medium (sulphuric acid bath), upon strictly controlling the concentrations of the chemical components, of the temperature, current, etc. The thickness of the aluminium oxide layer obtained varies between 5 and 20 microns, depending on the destination and environment where that item will be used.

Colouring
As an operation succeeding the eloxation (anodisation; anodic oxidation), we make the anodic colouring mainly for the shades of black and metal grey (natural eloxation).
Upon request, for larger quantities, we can perform the anodic colouring in other shades.

Covering the aluminium by anodic oxidation, depending on the purpose, is intended for:

  • Protection against corrosion or wear;
  • Decorative finishing, in which case the aspect and longevity are important issues;
  • Insuring the electric-insulating properties for electric insulations;
  • Using it as support for another electrochemical covering.

 

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aluminium anodising, anodic oxidation, electrochemical oxidation of alumium, aluminium passivation, treatment and coating of metals, galvanic treatments, electroplating, corrosion protection