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Correction method:
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Three, sag
Due to various reasons, water-based industrial paint often has some problems during the construction process due to environmental, technical and other reasons.
1.
In the process of painting or drying of the paint film, wrinkles or shrinkage and deformation appear on the surface of the topcoat.
Cause:
Inappropriate drying methods lead to uneven drying of the paint surface
Two, uplift
Protrusions are also called wrinkles
Cause:
1.
2.
Correction method:
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Polish the defective area until it is smooth but cannot be worn through, and paint again
Three, sag
Also called weeping or weeping
Cause:
1.
2.
Correction method:
When the sagging phenomenon is slight, wet sand the defective area with fine sandpaper after the paint surface is dry.
Four, wet printing or wax marks under the coating
From the surface of the paint layer, you can see the outline of the contaminated area on the bottom layer, or the appearance of matt spots of various shapes
Cause:
1.
2.
Correction method:
If the mark is obvious, the paint layer should be polished off and sprayed again
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