Metal needs to get sanded much farther than 220 for a smooth finish.
Best sand paper to use on aluminum oxide finish floor.
Start with 36 grit sandpaper for a floor that hasn t been sanded in a long time or that has a lot of heavy finish on it.
There are two different methods you can use which we ve found to be more effective than working with standard sandpaper.
When trying to sand that finish you need to select the right abrasive grain type and grit size.
Silicon carbide paper is typically a dark gray or even black.
Using a wood mastic removal block or norton blaze belts.
Maple floors are so hard that they often require 36 grit sandpaper as well.
Floors that have been painted may even require you to go tougher and use 24 or 16 grit paper.
This type of paper is used primarily for finishing metals or for wet sanding using water as a lubricant.
Aluminum oxide is more durable than garnet paper but doesn t leave as nice of a finish.
Know what is in the abrasives because not all abrasives are made the same.
For sanding metal surfaces uneeda s most frequently used aluminum oxide products would be pa631 and xa911 for wet operations which will typically come in a fine grit that provides an excellent finish.
No need to get anything fancy normal aluminum oxide sandpaper works fine but silicon oxide will last longer.
400 and even 600 grit will leave a rough finish.
Aluminum oxide is mixed into the finish to give the floor very good wear resistance and scratch protection which makes it extremely difficult to remove with silicon carbide sandpaper.