This is a severely damaged impeller
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As shown in the image, it’s an impeller that stops working shortly after it starts operating; it seems to be of rather poor quality. It’s an impeller that has been severely damaged by 30% alkaline substances, and there are other factors as well that have contributed to its current condition. I’d like to ask everyone: upon seeing this damaged impeller, what material do you think it’s made of? ? Thank you!
At first glance, it seems like your impeller is made of graphite
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