Purchase of sandpaper

PURCHASE sandpaper

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Purchase of sandpaper
Common sense - the larger the number of sand grains, the larger the sand grain size, use NO: P: two ways to mark the size of the sand grain, there is also a way.
For grinding the surface of wood, use sandpaper or emery cloth from No. 0 (NO:0 P:120) to No. 1.
Use P:240--280 water sandpaper for polishing the painted surface (add some soapy water when using).
Use emery cloth for grinding metal (preferably corundum).