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Car paint is easy to peel off

06-16

Due to the poor adhesion of the coating film on the surface of the coated object or the undercoating layer, scraping the coating film with nails or metal will cause the phenomenon of coating film peeling, which is called peeling.


Car paint is easy to peel off

1) The surface pre-treatment before painting is not clean, and there are dirt such as oil and water on the surface, which makes the coating film lose its strong adhesion to the material surface.
2) The drying temperature is too high and the drying time is too long, so that the base coating is over-dried.
3) The surface of the coated object is too smooth.
4) Coatings are not suitable and the adhesion between coatings is poor.
5) Apply the top layer before the base coat is dry, so that the top coat does not dry.


防治方法 Easy peeling prevention method for automobile spray paint

方法要得当,做到被涂物表面上彻底无油、无水。 1) The pre- treatment method before painting should be proper, so that the surface of the object to be coated is completely free of oil and water.
2) Dry in strict accordance with the drying conditions specified in the process to prevent over-drying.
打磨过于光滑的被涂物表面,以提高涂膜的附着力。 3) Use sandpaper to polish the over-smooth surface of the object to improve the adhesion of the coating film.
4) Select a good variety of coatings and processes.
5) After the base coat is dried, apply the top coat.

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