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In the case of scraping the atomic ash for the second time, although it is also to better fill the pit, it does not need to be pressed with all strength at this moment. It should be longer as far as possible during scraping, so as to reduce the vacancy between the atomic ash and the pit. In the case of scraping the atomic ash for the third time, there is no doubt that it is to better scrape the pores left by the previous brushing, so as to make the whole surface smooth. In the case of brushing, it is not only necessary to manipulate a certain range, but also to carefully observe whether there are pores on the surface.

 

 

 

The drying time is generally about 5 minutes after the scraping of Changxing atomic ash. Surface drying time refers to the drying time of the atomic ash surface; The dry time refers to the time when the atomic ash is completely dried. The drying time of atomic ashes with different properties is also different. Some atomic ashes dry faster and some atomic ashes dry slower. So how long can atomic ash do in summer? The operation time of sheet metal ash is 3-5 minutes, and it can be polished in 20 minutes. This kind of atomic ash belongs to fast drying atomic ash.