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Hanyang Chemical is the best and most experienced surface treatment
chemical manufacturer in Korea.

Passivation

Zi-Ni alloy
Clear type Black type
Type ZANBLUE ZANTOP lll
Trivalent passivation for Zn-Ni alloy Clear type
  • Name

    ZANBLUE

  • Features

    Produce uniform blue or light yellow color
    Excellent corrosion resistance

Trivalent passivation for Zn-Ni alloy Black type
  • Name

    ZANTOP lll

  • Features

    Deep black and bright appearance
    Suitable for the high-nickel system with over 12wt% Ni content