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Relevant Problems after Aluminum Cosmetics Container Closed

Relevant Problems after Aluminum Cosmetics Container Closed

What is the reason why the aluminum cosmetic containers made by the manufacturer is colorful when closed, and the flowers will drop when touching by hand?

①The thickness of anodic oxide film of aluminum cosmetic container is insufficient.
②The PH value of dye solution is too high, and the higher or the shorter will affect it. Glacial acetic acid can be used to adjust the PH value to the standard value.
③Improper selection of dyes, choose the appropriate dye, replace it with the original coloring tank.
④Aluminum cosmetic containers after oxidation have been placed in the air for too long.
⑤The water is not clean and there is residual liquid on the surface.
⑥The unreasonable installation and operation of hangers.
⑦The products are extruded and superimposed each other when coloring.
⑧There is dust on the surface of the oxide layer.
⑨There are insoluble impurities in the dye.
⑩Aluminum cosmetics container material problems.
⑪The dye concentration in the dyeing solution is too low. The dye concentration should be determined according to the used dye and the dye depth. In some cases, dye molecules can be fully penetrated into the deep space of oxide film by prolonging the dyeing treatment time to increase the color depth and to facilitate fixation and uniformity.
⑫Coloring treatment time is short, so we should appropriately extend coloring time. The short coloring time will make light color easy to fade; The long coloring time will make the color too deep and the surface easy to blossom, fade, and so on.Therefore, time control is also very important.
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