Titanium Anode for Trivalent Chromium Electroplating

Titanium Anode For Trivalent Chromium Electroplating

Trivalent chromium plating/chrome plating

Electroplating chromium is one of the most widely used plating types. With the development of the automotive, motorcycle, and sanitary hardware industries, decorative chrome plating is becoming more and more widely used.

Low toxicity and low pollution are the biggest advantages of cr3 + electroplating, its toxicity is only about 1% of hexavalent chromium compounds; no chromium mist escapes, and electroplating chromium workers will not have related occupational diseases; cr3 + wastewater treatment is simple, as long as the ph of wastewater by 8 or so, cr3 + can become a hydroxide and precipitate and separate; in general, the cost of cr3 + wastewater treatment is only 20% of that of cr6 + plating solution.

The main advantages of the trivalent electroplating chromium process:

1) Compared with the hexavalent chromium process, the plating solution has less pollution;

2) Under the same plating current density, when the trivalent chromium raw material is used, the electroplating can be performed at twice the metal electrodeposition speed of the hexavalent chromium. The dispersing ability and covering ability of the plating solution are better than that of the chromic acid plating solution, and the bright current density range is relatively wide, which is suitable for electroplating chrome kit with complicated shapes.

3) Current efficiency is 25% higher than hexavalent chromium plating;

4) Can be directly chrome plated on zinc, zinc die-casting or titanium, and can also be barrel chrome plated;

5) Can work at room temperature, saving power.

6) The coating is a discontinuous micro-crack circuit, and its corrosion resistance is higher than that of chromic chromium plating.

7) Current density range: 0.5-100A / dm2;

8) It is not affected by current interruption during plating.

Sulfate trivalent chromium plating process: Ion membrane is used to separate catholyte and anolyte, which is called double tank electroplating.

Titanium anode is the core part of the electroplating chrome kit process, and its coating quality directly affects the electroplating effect. The titanium anode produced by our company meets the production requirements of electroplated chromium, and the products have been used by major automobile companies in the world for many years. The main forms are anode wire and anode basket. The main coating is a new type of iridium tantalum coating.

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