Alkaline Zinc Processes

Alkaline non-cyanide zinc process for bright zinc electrodeposition with an exceptional throwing power. ã Completely cyanide-free process, zinc and sodium/potassium hydroxide system, not toxic with an easier waste water treatment; Mainly for decorative purpose, thanks to its brightness and bright throwing power; Assures a higher deposition rate at the same zinc concentration compared to previous processes. Comparison between sodium and potassium hydroxide. According to the specific plant exigencies and finishing aims, It’s important to consider the main practical differences in use of sodium or potassium hydroxide. the potassium hydroxide permits a higher cathode performance at high, medium and low current density of a 25 % (average value) over all spectrum; same performance at low-very low (0,2 A/dm2 ); · a slight more brightness for potassium hydroxide at the same brightener content; same good metal distribution; · potassium hydroxide limit: potassium carbonate not crystallizable.

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Our Process

Why do we use it:

Zinc Plating is a widely available solution for protecting steel parts from corrosion. It is commonly chosen because it is cost effective, offers excellent corrosion protection and features an attractive blueish/silver appearance. One of the unique properties of zinc plating is that it is a sacrificial coating, meaning it will continue to protect a parts surface even if the coating becomes scratched and bare metal is exposed. Zinc plating is a two- part electrolytic process that utilizes a current of electricity to deposit a thin layer of Zinc onto a parts surface. The zinc layer coats the part acting as a protective barrier against moisture and ultimately corrosion.

There are many reasons electroplating is important –

• Electroplating creates a protective barrier to reduce friction and prevent tarnishing of a surface as well as protecting surfaces from wear and tear by applying a thin, durable metal coating.
• Coating a non-metallic surface with metal changes the surface qualities of an object. By doing this, the metal coating creates wear resistance, corrosion protection(SST-120 hrs for white rust and 336 hrs for red rust), protection from abrasion, and sometimes is used to change the aesthetics of an object.
• Electroplating can make inexpensive metals look like higher-quality metal.Numerous industries use electroplating, such as automobiles, airplanes, electronics, recreational and agricultural to name a few

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