What is 150 grit sandpaper used for?
A lower number indicates that the grade of the paper is used for rough sanding where a high number indicates the sandpaper is meant for finish sanding.
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The perfect smoothness of a newly painted wall, the silky flawlessness of an oak floor, the dazzling gleam of a well varnished table top! All these are the signs of a job done well. And all are made possible by the proven, meticulous and systematic application of sandpaper.