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Zinc electroplating – metals covering with a layer of Zinc

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

Blando srl is specialized in static weak acid zinc electroplating on frames or weak acid electroplating in drums (covering metals with a layer of Zinc) of small and average size metal parts, the maximum dimensions being: 1700 x 500 x 800 mm having a weight of maximum 250Kg.

Electrochemical zinc plating: This is an electrochemical process consisting of obtaining a resistant and homogenous protective zinc layer (matt or gloss) providing corrosion protection.

It is made by filtered baths, through electrolysis (application of 1-10 A/dm2 direct current) in a chlorides based bath (zinc chloride, potassium chloride, boric acid), in terms of tern control of the concentrations of chemical components, current etc.
The acid zinc plating process used by Blando is based on a very stable, cost-effective, performing system of gloss agents, with bio-degradable surface-active agents, suitable for simple treatment of wastewater.

The thickness of the obtained zinc layer varies between 5-35 microns, according to the value of parameters set up during the zinc plating process (currents, immersion duration, etc.).

Passivation based on trivalent chrome: This is liquid passivation, based on trivalent chrome, meant for all zinc plating processes, which grants a bluish shade to zinc plated parts.

The scope of covering metals by electrochemical zinc plating is:

  • Protection of the main metal against corrosion and wear;
  • Decorative finishing, where appearance and resistance are important features;
  • Use as support for another electrochemical covering (nickel plating, painting)

 

Products

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zinc plating, gloss zinc plating, electrochemical zinc plating, weak acid zinc plating, static electrolytic zinc plating, rotary electrolytic zinc plating, electrolytic zinc plating in drums, metals covering, galvanic treatments, galvanic covering, corrosion protection, galvanic devices, galvanic drums