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  6. Zinc plating and trivalent chromate treatment (white and black)

Zinc plating and trivalent chromate treatment (white and black)

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last updated:Jun 20, 2025

丸長鍍金
丸長鍍金
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By applying a chromate treatment, the formation of white rust on the zinc plating can be prevented!

We would like to introduce our processing of "Zinc Plating and Trivalent Chromate Treatment (White and Black)." The corrosion protection effect of zinc plating is called "sacrificial protection," which utilizes the property that zinc corrodes before iron, thereby protecting the product from rust. Additionally, by applying chromate treatment, we can prevent the occurrence of white rust on the zinc plating film. 【Features】 ■ Rust resistance (Salt spray test red rust for over 240 hours) ■ By applying chromate treatment, it is possible to prevent the occurrence of white rust on the zinc plating film. *For more details, please download the PDF or feel free to contact us.

    Processing Contract
?亜鉛めっき・3価クロメート処理

Zinc plating and trivalent chromate treatment (white and black)

?亜鉛めっき・3価クロメート処理 画像.png
?亜鉛めっき・3価クロメート処理 画像.png
  • Related Link - https://www.marcho-g.co.jp/products/zinc-plating/

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【Material Name】 ■Size (mm): H1200×W600×D400 ■Weight: 30Kg *For more details, please download the PDF or feel free to contact us.

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Applications/Examples of results

[Usage] ■ Automotive parts, motorcycles, gas appliances, equipment parts, home appliances, etc. *For more details, please download the PDF or feel free to contact us.

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丸長鍍金

丸長鍍金

Ferrous/Non-ferrous metals

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Our company offers a wide range of services including gold plating, silver plating, electroforming, electroless plating, zinc plating, nickel plating, chrome plating, tin plating, nickel-chrome plating, and alloy plating. You can trust us with all your plating needs. If you have any questions about plating, please feel free to contact us. Of course, if it relates to our company, inquiries about matters other than plating are also welcome.

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