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How to clean patina on copper parts

2022/07/08
Sawdust for patina removal:
Take sawdust, talcum powder, wheat bran, add vinegar and mix it into a paste according to the proportion of 3:1:3, apply it on the patina and dry it naturally, then rinse it with clean water to remove the patina.
How to clean copper products:
1. The patina on the vinegar:
Vinegar is acidic, but it is not strong. After sticking the vinegar with a cloth, stick a little salt to scrub the surface of the patina, and then rinse it with water to remove the patina.
2. Soapy water cleaning:
When the copper products only have dust impurities on the surface, they can be soaked in soapy water and wiped with a soft cloth. The places that cannot be removed can be removed with a soft brush, and then rinsed with water after removal.
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