Pressure Sensitive Adhesive. These sanding discs are used with die grinders and random orbital sanders.
ABRASIVE: Aluminium oxide
For use on contours or flat surfaces for light to medium-pressure grinding,
blending, leveling and finishing applications.
These PSA sanding discs are also made for stationary disc sanders used in woodworking and metalworking. Great for stock removal,sanding flat surfaces, shaping and finishing.