For polyurethane, it is recommended to use a fine grit sandpaper, such as 220 grit, to achieve a smooth finish.
Before applying polyurethane, it is recommended to use a fine grit sandpaper, such as 220 grit, to prepare the surface by smoothing out any imperfections and creating a good base for the polyurethane to adhere to.
For sanding polyurethane between coats, a grit of 220 to 400 is recommended for a smooth finish.
For glass bottles, it is recommended to use a fine grit sandpaper, such as 220 grit or higher, to avoid scratching or damaging the glass surface.
When sanding brake pads, it is recommended to use a fine grit sandpaper, such as 220 grit or higher, to avoid damaging the brake pads.
abrasive grit, probably used in sandpaper
For sanding pressure treated wood, it is recommended to use a medium grit sandpaper, such as 80 to 120 grit. This grit level is effective in removing roughness and preparing the surface for finishing.
For sanding pallet wood, it is recommended to start with a medium grit sandpaper, such as 80 or 100 grit, to remove rough surfaces and imperfections. You can then progress to a finer grit, like 120 or 150, for a smoother finish.
The most coarse sandpaper grit size typically starts at around 40 or 60 grit. These lower grit sizes are used for heavy material removal on rough surfaces.
For refinishing hardwood floors, it is recommended to start with a coarse grit sandpaper, such as 36 or 40 grit, to remove the old finish and level the surface. Then, progress to finer grits like 60, 80, and 100 for smoothing and finishing the wood.
For refinishing wood floors, it is recommended to start with a coarse grit sandpaper, such as 36 or 40 grit, to remove old finish and level the surface. Gradually move to finer grits, such as 60, 80, and 100, for a smoother finish. Finish with a very fine grit, like 120 or 150, for a polished look.
Coarse sandpaper has lower grit numbers, typically ranging from 40 to 60 grit. It is used for heavy material removal and rough sanding tasks where a smooth finish is not required.
I believe the lowset grit is 3, it looks like railroad rocks