The sandpaper on the market has a lot of particle size, how to choose sandpaper according to the particle size ?
1. Coarse sandpaper (coarse grain) : usually used to remove large dents, old paint, scratches and rough surfaces. Suitable for preliminary grinding and repair work.
2.Medium sandpaper (medium particle) : suitable for smoothing the surface and smoothing the marks left by the coarse sandpaper process. For example, remove coarse sandpaper marks and prepare the surface for final grinding before painting.
3. Fine sandpaper (fine particles) : suitable for smoothing the surface, removing the marks of the sandpaper and adjusting the paint. It is often used for final sanding before painting to achieve a smooth effect.
4. Ultra-fine sandpaper (ultra-fine particles) : Usually used for final treatment, polishing and finish enhancement after painting. This sandpaper produces a smoother surface and removes minor imperfections.
5.In the actual selection, you can gradually transition from coarse sandpaper to fine sandpaper according to the surface state. You can also choose a variety of sandpaper for different steps according to your needs.
6.In addition to sandpaper particle thickness, pay attention to the correct use of sandpaper to avoid deep wear or scratching on the surface. In addition, when using sandpaper, remember to keep the surface wet to reduce dust and extend the life of the sandpaper.
In short, when choosing sandpaper, please choose the thickness of sandpaper reasonably according to the needs of the task and the situation of the surface. If you're not sure which sandpaper you should choose, consult a professional or ask a salesperson for advice.
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