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What to do if the car spray paint bubbles

06-16
起泡怎么回事 What's going on in car spray paint ?

或液体的现象,称为起泡。 A part of the coating film floats from small particles to large blocks in the substrate or undercoat layer, and the inside is filled with gas or liquid, which is called foaming.


产生原因 Causes of car spray paint
1) There are residual oily substances such as oil stains, sweat, saline, sanding ash, etc. on the surface of the coating.
被涂物表面用的水质差,含有杂质离子。 2) The water used to clean the surface of the coated object is of poor quality and contains impurity ions.
3) Long-term use in high temperature and high humidity environment.
4) The coating has poor water resistance, moisture resistance and air permeability.

5) The coating film is not sufficiently cured and dried.


防治方法 Automobile spray painting prevention method
1) The surface of the object to be coated should be kept clean and there should be no residual hydrophilic substances.
2) Deionized water should be used for the last time to clean the surface of the coated object.
3) Avoid using in high temperature and high humidity environment.
4) Use paint with good water resistance and air permeability.
5) The coating film should be completely dry.

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