First, simultaneous construction of wood lacquer and latex paint
1, wrong consequences
Wood lacquer products contain toluene diisocyanate (TDI). If the wood lacquer and emulsion paint are applied at the same time, these free TDIs will react chemically with the components in the latex paint to yellow the walls of the latex paint.
2, the correct approach
Wood paint and latex paint split open construction. It is recommended to brush the wood lacquer and then paint the latex paint to prevent the ingredients in the wood lacquer from contaminating the wall.
Second, the wood lacquer is not filtered after deployment
1, wrong consequences
After the wood lacquer is deployed, if there is no filtration step, the dust in the air will mix into the wood lacquer and form a small granule. When the wood lacquer is directly painted, it will cause particles on the surface of the paint film, and the surface is not smooth enough.
2, the correct approach
After the wood lacquer is deployed, it is necessary to use a filter hopper to filter out particulate impurities, and then it is better to perform the construction after more than ten minutes of rest.
Third, ignore the primary processing
1, wrong consequences
Before the construction of the oil industry, the most important step is to clean the grass-roots level. The purpose is to effectively remove the stains and make the surface clean and smooth, so that the subsequent painting can save labor and materials.
2, the correct approach
Before painting, first clean the dust on the surface of the substrate. Special dust cloth can be used for cleaning, and a large area can be cleaned repeatedly with a vacuum cleaner. At the same time, the surface is polished with sandpaper, and the surface layer is protected.
1, wrong consequences
Before brushing the latex paint on the wall, you need to level it. Otherwise, if the brushed wall surface is uneven, it will not only consume materials but also have poor results.
2, the correct approach
No matter whether it is a new house or an old house, the wall must not be completely flat, and the yin and yang corners cannot be completely vertical. Therefore, plastered plaster shall be used for leveling uneven walls so that the error of the wall surface does not exceed 3 mm. If the yin and yang angles are not straight, plastering plaster is also required, and it is straightened with a ruler.
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Paint and paint engineering paint coating construction
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