Sandpaper is strong paper that has a coating of sand on it. It is used for rubbing wood or metal surfaces to make them smoother. to rub something with sandpaper
Manufacturers are marketing items that make sanding easier and more efficient for do-it-yourselfers
{i} paper coated with sand or abrasive material (used for smoothing and polishing surfaces)
this is used for sanding timber to be coated or to sand previously applied coats of paint The different types are defined by a number which refers to the number of the mesh of the sieve contained in a square inch and through which abrasive grains, identified by such number, have passed Following table shows most common sand paper types: PAPER GRIT DEFINITION 40, 60, 80 very coarse 100, 120, 150 coarse 180, 200, 240 medium 320 fine 400, 500, 600 very fine 800, 1000 ultra fine for polishing SATIN FINISH: suggestive of satin especially in smooth lustrous appearance
Often used for all coated abrasive with a paper backing, generally the name plus the word flint is a pretty good indication the product won't perform well for most applications