The abrasive high quality of a purple Scotch-Brite pad is roughly equal to a 320-400 grit sandpaper. This degree of abrasiveness makes it appropriate for duties resembling scuff sanding, mild deburring, and floor preparation previous to portray or ending. The non-woven development permits for constant efficiency and minimizes the danger of gouging the workpiece.
This particular abrasive attribute is effective as a result of it supplies a stability between materials removing and floor refinement. It is much less aggressive than coarser abrasives, which may rapidly take away materials however depart deep scratches. Concurrently, it is more practical than finer abrasives at eradicating floor imperfections and making a keyed floor for adhesion. Its introduction provided a extra constant and controllable various to conventional abrasive strategies in lots of purposes.