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Zirconium pretreatment compositions containing a rare earth metal, associated methods for treating

2025-06-17 09:274900下载
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Disclosed are methods for treating metal substrates that include contacting the substrate with a pretreatment composition comprising a rare earth metal and a zirconyl compound. The present invention also relates to coated substrates produced thereby and further to substrates additionally coated with an electrophoretically applied coating composition.


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