Non-chrome rinse for phosphate coated ferrous metals

Details Non-chrome rinse for phosphate coated ferrous metals Non-chrome rinse for phosphate coated ferrous metals

1997-07-07

2000-02-22

Green, Anthony

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

106 1412, 148247, 148253, 148261, 428457, 428469, 428472, 4284723, C23C 2205, C23F 1100

Patent

active

060275790

ABSTRACT:
The invention provides a non-chrome rinse and method for treating a phosphate conversion-coated ferrous metal substrate. The rinse comprising zirconium ions, vanadium ions, fluoride ions, and phosphate ions in a ratio and a concentration effective for providing the phosphate conversion-coated ferrous metal substrate with improved corrosion resistance.

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