Hand board surface treatment process ②: Passivation
We know that metal products are easy to be corroded. In order to prolong the service life of metal products and improve the anti-corrosion ability of metal products, passivation protection must be carried out. Our common metal objects such as ships and cars are passivated. Passivation is a method to change the metal surface into … Continue reading Hand board surface treatment process ②: Passivation
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