Use the 3M SandBlaster ultra flexible 80 grit sanding sponge for bare surface sanding to remove flaws or blemishes before applying initial coating. Best used on paint, wood, metal and drywall. This unique sponge channels dust away from the sanding surface is clog resistant and lasts 5X longer. Use the pattern side for detail sanding and superior conformability.
Great for sanding painted surfaces and resist loading which allows for larger sanding coverage and faster sanding
Use for flat surface sanding
Use coarse grits to remove coatings, medium grits for bare surface sanding and fine grits for between coats sanding