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Home produets services  electroplating additions Trivalent passivation   
Trivalent passivation
    Product Name                        Product Name 
  • HK835
  • Trivalent Iridescent Passivation
     
  • 1.It is designed for trivalent iridescent passivation on zinc or zinc alloy deposits.
  • 2.Corrosion protection can attain 96h salt spray test. When sealed with HK940, corrosion protection can attain 120h salt spray test.








         
 
  • HK816
  • Trivalent Transparent Passivation
     
  • 1.It is designed for trivalent transparent passivation on zinc or zinc alloy deposits.
  • 2.When sealed with HK960, corrosion protection can attain 48h salt spray test.









 

  • HK818
  • Trivalent Blue Passivation
  • 1.It is designed for trivalent blue passivation on zinc or zinc alloy deposits.
  • 2.Corrosion protection attain 48h salt spray test. When sealed with HK950, corrosion protection can attain 72h salt spray test.
  • 3.The layer produced by HK818 can be dyed as golden.




            
 

  • HK838
  • Trivalent Blue Passivation
     
  • 1.It can be used on either acid or alkaline zinc deposits of tubes.
  • 2.Corrosion protection attain 72h salt spray test.
            
 

  • HK829
  • Trivalent Black Passivation
     
  • 1.It is designed for trivalent black passivation on zinc and zinc-iron deposits.
  • 2.When sealed with HK920, corrosion protection can attain 120h salt spray test.
               
 

  • HK833
  • Trivalent Black Passivation for Zinc-Nickel deposits
     
  • 1.Designed for trivalent black passivation on zinc-nickel plating which contains
  •  12~15% nickel.
  • 2.When sealed with HK920, corrosion protection can attain 360h salt spray test.