Peeling Off
2019-05-17
The film is peeled off or rolled up from a large area on the wall, usually revealing the substrate.
1. The moisture content of the substrate exceeds the standard and affects the adhesion of the paint layer.
2. The base or putty is loose and the strength is not enough. The paint layer only adheres to the surface of the powder layer.
3. The ambient humidity during construction is too high and there is condensation on the surface of the substrate.
4. The substrate has grease or mold release agent residue, affecting paint adhesion.
5. The substrate has no roughness, the mechanical bite and force of the paint layer is not enough.
1. After the eradication, the layer is treated, and the base layer is recoated after meeting the requirements.
2. The construction conditions must be guaranteed during construction, and the ambient humidity is less than 85%.
3. The substrate must be clean and free of grease. It can be cleaned with a solvent.
4. The flatness of the surface of the putty layer should meet the requirements and should maintain a certain roughness.
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