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Contact Austar:

National Service Hotline

400 8121 586

  • Tel:+86 10 85653399
  • Fax:+86 10 85653325
  • Email:info@austar.com.cn

Level of Rouge


  • Level of Rouge

    • Overview
    Level of Rouge
      Ingredient Color Characteristic
    Primary FeO; Fe(OH)2 Yellow or orange Easily forming, Easily removing, Easily recurring
    Moderate Fe2O3 Red Appearing in various forms of corrosion pit and crevice etc. , more difficult to be removed
    Severe Fe3O4 Black Close to the inner wall of the system and difficult to be removed


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