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POSTED BY: xiao1235 on 01/02/2018 02:57:03

Decoration knowledge Wall surface grinding process and the process of grinding sandpaper selection process has three main functions in the substrate is to remove the burr on the surface of the substrate, oil dust, etc. For scratching the surface of the putty, the general surface is rough, You need to obtain a more smooth surface by sanding, so grinding can reduce the role of the surface roughness of the workpiece; enhance the adhesion of the coating. Before spraying the new paint film generally need to dry after the old paint layer is polished, because the coating on the smooth surface of poor adhesion, after grinding can enhance the mechanical adhesion of the coating. Wall finishing is the basis of decoration, and only the walls polished to follow-up construction in order to effectively play, so the wall grinding is particularly important Grinding process has three main functions in the substrate is to remove burrs on the surface of the substrate, oil dust and other For scratch the surface of the putty, the general surface is relatively rough, you need to obtain a relatively flat surface by sanding, so grinding can reduce the role of the workpiece surface roughness; enhance the adhesion of the coating. Before spraying the new paint film generally need to dry after the old paint layer is polished, because the coating on the smooth surface of poor adhesion, after grinding can enhance the mechanical adhesion of the coating. Grinding methods are dry grinding, wet grinding and mechanical grinding three dry grinding: sandpaper grinding. Suitable for hard and brittle paint grinding, the disadvantage is that the operation will produce a lot of dust, affecting environmental health. wet grinding: water sandpaper dipped in water or soapy ground. Water mill can reduce the wear marks, improve the smoothness of the coating, and save sandpaper, effort.

 

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POSTED BY: valialus on 06/07/2018 18:22:42
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07/21/2018


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