Advantages and Application of plastic plating-trivalent Chromium plating

Advantages and Application of plastic plating-trivalent Chromium plating.
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Trivalent chromium plating has the following advantages:
(1) the production efficiency is improved, the loading capacity of the hanger is increased, the plating speed is increased, and the average plating capacity is good.
(2) there are few electroplating faults, such as coke burning, milky white coating, poor dispersion and so on, and there will be no color chromium film.
(3) the current utilization ratio is improved, the current resistance is small, the current efficiency is high, and the current utilization rate is greatly improved.
(4) the cost of de-plating and re-plating is reduced.
(5) the cost of wastewater treatment is reduced without the cost of reducing hexavalent chromium, which is reduced due to the low concentration of chromium.
(6) the working environment is improved without the use of chromic acid, chromium fog does not occur, and the problem of operator poisoning is avoided.
Although the cost of chemical raw materials for trivalent chromium plating has increased and the equipment investment has increased, from the above advantages, the favorable factors can fully offset the increased costs.
Trivalent chromium plating is different from hexavalent chromium plating in that it is easily affected by a small amount of copper, zinc, nickel and other metal impurities, so proper bath management is necessary. Trivalent chromium plating system is equipped with a small ion exchanger system, which can selectively and effectively remove metal impurities in order to operate stably.
Now industrialized trivalent chromium plating can only be used to replace decorative hexavalent chromium plating because its hardness can not be compared with hexavalent chromium engineering plating. California and other areas in the United States are very strict because of the first implementation of EPA (Environmental Protection Agency). Most of them use trivalent chromium plating instead of hexavalent chromium plating. Since the 1990s, more than 120 companies in the United States have actually adopted trivalent chromium plating technology, and a number of companies have adopted it in other countries such as Norway, Britain, France, Spain, Italy and so on. Due to the strict environmental protection regulations in Norway, there are also high expectations for trivalent chromium plating. Japan, on the other hand, implemented the single-slot trivalent chromium plating arrangement electroplating enterprises in 1996.
Can use trivalent decorative chromium plating products are car handles, locks, internal and external decorations; motorcycles, bicycles other parts; cover, cover, heating equipment accessories; lighting, plumbing devices; gardening, farm supplies; hardware tools; furniture, store shelves and so on.