Step 6: Preparar la pieza (preparing the piece)
Ignoro si es posible o conveniente proceder a fosfatizar la pieza antes de galvanizarla. Yo podría hacer la prueba, pero tal vez haya que esperar meses antes de poder apreciar alguna reacción negativa. Por tal motivo, me limité a hacer una remoción mecánica del óxido.
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Must remove the oxide of the piece, otherwise the zinc will go above and not be effective. I put the piece in the vise and applied the rotating steel brush placed in the grinder. As the piece was very, very rusty, there were points at which oxide was more than I did my best.
I don't know if it is possible or convenient to phosphate the piece before galvanize it. I could do the test, but may be have to wait months before you see any negative reaction. For this reason, I just make a mechanical removal of the oxide.
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