Business

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

Coating

Inorganic base Organic base
Type TC-305 TC-311
TC-309 TC-311R
TC-320
Inorganic
TC-305
  • Solvent

    Water

  • Features

    Alkali type inorganic coating agent of water-soluble
    High corrosion resistance ability
    Economical

TC-309
  • Solvent

    Water

  • Features

    Finishing agent for trivalent black passivation based on trivalent chromium compound
    Film has conductivity and is not required additional strip process

TC-320
  • Solvent

    Organic

  • Features

    High hardness (79H)
    Excellent physical properties
    Excellent corrosion resistance
    High solid and low viscosity

Organic
TC-311
  • Solvent

    Water

  • Features

    Suitable coating agent for all kinds of trivalent passivation layer
    Torque stabilizing treatment

TC-311R
  • Solvent

    Water

  • Features

    Suitable for rack application
    Suitable coating agent for all kinds of trivalent passivation layer