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Anonymous users2024-01-241. When you don't know the quality of the old paint, the direct use of the new paint will produce a chemical reaction, so that the paint surface will bloom, and it may also produce blistering.
The basic method is as follows.
First, for the cause of the paint surface to separate, you can use a separating agent or paint remover, the separating agent is about 50 yuan, directly brush to the original paint surface to produce the separation between the new paint and the old paint. The use of paint stripper will be about ten yuan, but to do a good job of protection, the smell is quite large, and the paint stripping is not a kind of paint is gone, but the softening of the surface paint film.
Second, if a paint remover is used, the zero abrasive cloth should be sanded in about 10 hours, and the paint film should be removed without much force.
Third, at this time, you can check whether the original wood has holes or cracks, you can use putty for leveling, the estimated cost is 40 yuan, but pay attention to the shrinkage joints of the door and the window do not fill the putty, otherwise it is easy to expand the wood products.
Fourth, it's time to do a new paint.
Hello, please ask someone to make homemade furniture, in order to be beautiful and graded, the first step is to scrape putty. >>>More
All chemicals will have some impact on the body, and they will definitely not be highly toxic.
You can bring it, why not. Generally, you have to wear a gas mask, and our factory originally had a primer spray master who wore glasses.
Generally, you can learn it in half a year. Of course, your master is important.
After scraping the ash and plugging the joints, after sanding, make the paint thinner and brush it with a brush, and dry and polish. Then spray the white background again, and the spray top coat is OK after sanding. If you spray the bottom twice, it's a waste of paint.