Method and solution for coating metal surfaces with a phosphating solution containing water peroxide, produced metal object and use of said object

Method and solution for coating metal surfaces with a phosphating solution containing water peroxide, produced metal object and use of said object

  • CN 1,826,429 B
  • Filed: 05/17/2004
  • Issued: 08/08/2012
  • Est. Priority Date: 05/23/2003
  • Status: Active Grant
First Claim
Patent Images

1. handle with the acid phosphatase salinization aqueous solution that contains zine ion and phosphate anion or the method for metal pretreated article surface for one kind, it is characterized in that the said acid phosphatase salinization aqueous solution comprises:

  • 0.1 to the zine ion of 10g/l,4 to 50g/l phosphate radical is with PO 4Meter, 0.03 at least a guanidine compound that contains at least one nitro of 3g/l, in nitroguanidine,0.001 to the hydrogen peroxide of 0.9g/l,0.01 to the nickel ion of 1.8g/l andIt is characterized in that;

    do not have a mind to add cupric ion;

    Be lower than 80 ℃

    with the temperature of said phosphating solution.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×