Method for activating metal surfaces prior to zinc phosphation
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United States of America Patent
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-
Nov 17, 1987
Grant Date -
N/A
app pub date -
Nov 24, 1986
filing date -
Nov 28, 1985
priority date (Note) -
Expired
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Abstract
A method for activating a metal surface during a phosphating process by treating the surface with an activating solution containing titanium ions, phosphate ions, and borate ions, after initial cleaning and rinsing but before phosphation.
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