Compositions and methods for darkening and imparting corrosion-resistant properties to zinc or other active metals

Compositions and methods for darkening and imparting corrosion-resistant properties to zinc or other active metals

  • CN 1,802,250 A
  • Filed: 06/04/2004
  • Published: 07/12/2006
  • Est. Priority Date: 06/05/2003
  • Status: Active Application
First Claim
Patent Images

1. composition comprises:

  • About 0.1% to about 5% ammonium chloride;

    About 0.1% to about 5% ammonium molybdate;

    WithAbout 90% to about 99.8% water;

    Wherein the ratio of ammonium chloride and ammonium molybdate is about 1;

    3 to about 3;

    1.

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