What if plastic dyeing is done? We can try to cook it in an electric cooker. If there is an ultrasonic cleaner, it is best to heat it after heating!
The second way is: the best way to remove the white plastic cup is to use the toothpaste evenly applied to the dyed area, about 5 minutes, then scrub with a wet towel or brush with a toothbrush to remove the stain. The surface of the cup is gone.
Finally, because the molecular structure of the plastic has a certain gap, the pigment molecules are dyed onto it, and some of them diffuse into the molecular structure of the plastic. This part of the pigment molecules cannot be directly washed away, and some of them are not diffused. If you go in, you can wash it off directly with water. If this is the case, if you wash it with water and then still do not wash it, there is still color. This part of the color is diffused into it. How can this part be solved? I think that because of plastic film, an organic substance is mostly polyvinyl chloride, and organic matter and organic matter can be In this respect, you can use another organic substance to scrub the film so that he may dissolve the part of the pigment by slight dissolution. So I suggest you use another organic solvent to scrub. Formaldehyde alcohol acetone (poisonous and caution) and so on.
The specific method of removing the dye on the plastic can be seen in the following operation flow.
1) Put 84 disinfectant and water, put it together at a ratio of 1:200, put the plastic products that need to be "removed" and soak for 2 hours. Rinse again with clean water, it will be fine, the effect is very good, no corrosion on plastic products. In addition to "whitening", it is also a disinfection work.
2) If you encounter a plastic product that is heavily stained with curry, the soaking time can be extended for more than 4 hours, or soaked overnight.
Remarks: 84 disinfectant is available in supermarkets, all brands, prices range from 2 to 4 yuan. When using 84 disinfectant, be sure not to get the original liquid on the clothes, otherwise it will produce spots on the clothes, there is no way to save. The water soaked in the plastic product can be poured into the toilet and soaked for 1 hour, which can also be used for cleaning.
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