High P EN
Electroless nickel-phosphorus plating, also referred to as E-nickel, is a chemical process that deposits an even layer of nickel-phosphorus alloy on the surface of a solid substrate, like metal or plastic. The process involves dipping the substrate in a water solution containing nickel salt and a phosphorus-containing reducing agent, usually a hypophosphite salt. It is the most common version of electroless nickel plating
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Zinc Plating
Acid Zinc Plating divided into : a. Acid Zinc based on Ammonia salt b. Acid Zinc based on ZnCL and 2. Alkaline Zinc Plating which is cyanide-free
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Acid Zinc Plating
Acid zinc plating is one of the mainstream electrogalvanizing processes. Its plating bath is acidic overall, and zinc ions are directly electrodeposited on workpieces to form zinc coatings, which distinguishes it from alkaline zincate plating with strong alkaline complexing systems.
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Alkaline Zinc
Alkaline zinc plating (dominated by cyanide-free alkaline zincate plating) is one of the two major mainstream electrogalvanizing processes. The plating bath is strongly alkaline (pH＞12). Zinc ions form complex zincate ions with strong alkali, and a zinc coating is electrodeposited on the workpiece surface when energized.
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Zinc Passivation
Zinc passivation is a chemical treatment applied to zinc-coated metals to enhance corrosion resistance by forming a protective, inert layer on the surface. Zinc passivation, also known as chromate or conversion coating, is a process that creates a thin, protective layer on zinc or zinc-alloy surfaces. This layer chemically reacts with the zinc to form a zinc-chromium complex, which acts as a barrier against moisture, oxygen, and salts, preventing the formation of white rust (zinc hydroxide) and extending the li...
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Sealant
Used as a final rinse over the other chromate plating process,provide lowviscosity coatings suitable for both rack and barrel operations. It offer over 100 hours of salt spray protection.
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zinc-Alloy
Zinc alloy plating (electrodeposited zinc alloy coatings): An alloy coating mainly composed of zinc with a secondary metal (nickel, iron or cobalt) is formed via electrolytic co-deposition on steel or iron substrates. As a high-performance sacrificial anti-corrosion coating, it serves as an upgraded alternative to conventional pure zinc plating (acid / alkaline zinc plating).
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