my question is -why do we use sandpaper to clean metal surfaces.what is the reason behind it.what properties does the sandpaper exhibit?
Asked by architsrivastava02 | 29th Jul, 2011, 10:22: PM
Sandpaper is a type of coated abrasive. It is used to remove small amounts of material from surfaces, either to make them smoother (painting and wood finishing), to remove a layer of material (e.g. old paint), or sometimes to make the surface rougher (e.g. as a preparation to gluing).
It is the abrading propety.
Answered by | 1st Aug, 2011, 02:16: PM
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