Industrial Pre Coating Surface Preparation System Sandblasting Shot Blasting For Coating Adhesion

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Pre coating treatment is a very important part of the coating process, which directly affects the coating effect and quality. And in the pre-treatment of painting, snowflake treatment is one of the important processes. Snowflake treatment refers to the cleaning treatment of the surface before painting, in order to remove impurities and dirt from the surface, achieve a certain roughness on the surface, and facilitate the adhesion and fixation of the coating. In snowflake processing, two main methods are used: sandblasting and shot blasting. Sandblasting is the process of high-speed spraying of sand to remove dirt, oxides, and other substances from the surface, while also increasing surface roughness to facilitate the adhesion of coatings. The advantage of sandblasting is its good cleaning effect, which can remove surface dirt and oxides, and also increase surface roughness, making it easier for coatings to adhere. However, sandblasting also has some drawbacks, such as generating noise and dust, which have a certain impact on the environment and human health. Shot blasting is the process of high-speed spraying of steel balls to remove surface dirt, oxides, and other substances, while also increasing surface roughness for easier coating adhesion. The advantage of shot blasting is its good cleaning effect, which can remove surface dirt and oxides, and also increase surface roughness, making it easier for the coating to adhere. Moreover, the noise and dust generated by shot blasting are relatively small, and their impact on the environment and human health is also minimal.

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