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Measures to improve the quality of cleaning and blackening packaging

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Second, if it’s a physical way, you have to pay attention to the cleaning means to prevent damage. The back packaging still needs to start from the perspective of air. The blackening of information is caused by oxidation with oxygen.
Consultation record · answer: cleaning and blackening on December 23, 2021 packaging quality improvement measures does cleaning and blackening refer to the blackening of silver jewelry? Or what exactly? First, the cleaning hands are short. If it is a chemical related reagent, after successful cleaning, it is necessary to do a good job of cleaning. Finally, choose vacuum packaging to prevent oxygen from going into the packaging. Second, if it is a physical way, pay attention to the cleaning means to prevent damage. The back packaging still needs to start from the perspective of air. The blackening of information is caused by oxidation with oxygen.

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